diff --git a/lib/domain/assets.dart b/lib/domain/assets.dart
index d7fa02e1b..d957033a5 100644
--- a/lib/domain/assets.dart
+++ b/lib/domain/assets.dart
@@ -1,5 +1,8 @@
-import 'enums/enums.dart';
-import 'extensions/string_extensions.dart';
+import 'dart:convert';
+
+import 'package:flutter/services.dart' show rootBundle;
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/extensions/string_extensions.dart';
 
 class Assets {
   static String dbPath = 'assets/db';
@@ -237,4 +240,10 @@ class Assets {
   static String getGadgetPath(String image) => '$gadgetsBasePath/$image';
 
   static String getFurniturePath(String image) => '$furnitureBasePath/$image';
+
+  static Future<Map<String, dynamic>> getJsonFromPath(String path) async {
+    final jsonStr = await rootBundle.loadString(path);
+    final json = jsonDecode(jsonStr) as Map<String, dynamic>;
+    return json;
+  }
 }
diff --git a/lib/domain/services/file/artifact_file_service.dart b/lib/domain/services/file/artifact_file_service.dart
new file mode 100644
index 000000000..af04a7fca
--- /dev/null
+++ b/lib/domain/services/file/artifact_file_service.dart
@@ -0,0 +1,19 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class ArtifactFileService implements BaseFileService {
+  List<ArtifactCardModel> getArtifactsForCard({ArtifactType? type});
+
+  ArtifactCardModel getArtifactForCard(String key);
+
+  ArtifactFileModel getArtifact(String key);
+
+  List<ArtifactCardBonusModel> getArtifactBonus(TranslationArtifactFile translation);
+
+  List<String> getArtifactRelatedParts(String fullImagePath, String image, int bonus);
+
+  String getArtifactRelatedPart(String fullImagePath, String image, int bonus, ArtifactType type);
+
+  List<StatType> generateSubStatSummary(List<CustomBuildArtifactModel> artifacts);
+}
diff --git a/lib/domain/services/file/banner_history_file_service.dart b/lib/domain/services/file/banner_history_file_service.dart
new file mode 100644
index 000000000..3dd6ee8e9
--- /dev/null
+++ b/lib/domain/services/file/banner_history_file_service.dart
@@ -0,0 +1,17 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class BannerHistoryFileService implements BaseFileService {
+  List<double> getBannerHistoryVersions(SortDirectionType type);
+
+  List<BannerHistoryItemModel> getBannerHistory(BannerHistoryItemType type);
+
+  List<BannerHistoryPeriodModel> getBanners(double version);
+
+  List<ItemReleaseHistoryModel> getItemReleaseHistory(String itemKey);
+
+  List<ChartElementItemModel> getElementsForCharts(double fromVersion, double untilVersion);
+
+  List<ChartTopItemModel> getTopCharts(bool mostReruns, ChartType type, BannerHistoryItemType bannerType, List<ItemCommonWithName> items);
+}
diff --git a/lib/domain/services/file/base_file_service.dart b/lib/domain/services/file/base_file_service.dart
new file mode 100644
index 000000000..9b6b785a1
--- /dev/null
+++ b/lib/domain/services/file/base_file_service.dart
@@ -0,0 +1,3 @@
+abstract class BaseFileService {
+  Future<void> init();
+}
diff --git a/lib/domain/services/file/character_file_service.dart b/lib/domain/services/file/character_file_service.dart
new file mode 100644
index 000000000..abf2976bd
--- /dev/null
+++ b/lib/domain/services/file/character_file_service.dart
@@ -0,0 +1,45 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class CharacterFileService extends BaseFileService {
+  List<CharacterCardModel> getCharactersForCard();
+
+  CharacterCardModel getCharacterForCard(String key);
+
+  CharacterFileModel getCharacter(String key);
+
+  List<TierListRowModel> getDefaultCharacterTierList(List<int> colors);
+
+  List<ItemCommon> getCharacterForItemsUsingWeapon(String key);
+
+  List<ItemCommon> getCharacterForItemsUsingArtifact(String key);
+
+  List<ItemCommon> getCharacterForItemsUsingMaterial(String key);
+
+  List<String> getUpcomingCharactersKeys();
+
+  List<CharacterSkillStatModel> getCharacterSkillStats(List<CharacterFileSkillStatModel> skillStats, List<String> statsTranslations);
+
+  List<ChartBirthdayMonthModel> getCharacterBirthdaysForCharts();
+
+  List<ChartCharacterRegionModel> getCharacterRegionsForCharts();
+
+  List<ChartGenderModel> getCharacterGendersForCharts();
+
+  ChartGenderModel getCharacterGendersByRegionForCharts(RegionType regionType);
+
+  List<ItemCommonWithName> getCharactersForItemsByRegion(RegionType regionType);
+
+  List<ItemCommonWithName> getCharactersForItemsByRegionAndGender(RegionType regionType, bool onlyFemales);
+
+  List<CharacterBirthdayModel> getCharacterBirthdays({int? month, int? day});
+
+  List<TodayCharAscensionMaterialsModel> getCharacterAscensionMaterials(int day);
+
+  int countByStatType(StatType statType);
+
+  List<ItemCommonWithName> getItemCommonWithNameByRarity(int rarity);
+
+  List<ItemCommonWithName> getItemCommonWithNameByStatType(StatType statType);
+}
diff --git a/lib/domain/services/file/element_file_service.dart b/lib/domain/services/file/element_file_service.dart
new file mode 100644
index 000000000..185052692
--- /dev/null
+++ b/lib/domain/services/file/element_file_service.dart
@@ -0,0 +1,10 @@
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class ElementFileService implements BaseFileService {
+  List<ElementCardModel> getElementDebuffs();
+
+  List<ElementReactionCardModel> getElementReactions();
+
+  List<ElementReactionCardModel> getElementResonances();
+}
diff --git a/lib/domain/services/file/file_infrastructure.dart b/lib/domain/services/file/file_infrastructure.dart
new file mode 100644
index 000000000..cc04682fe
--- /dev/null
+++ b/lib/domain/services/file/file_infrastructure.dart
@@ -0,0 +1,10 @@
+export 'artifact_file_service.dart';
+export 'banner_history_file_service.dart';
+export 'character_file_service.dart';
+export 'element_file_service.dart';
+export 'furniture_file_service.dart';
+export 'gadget_file_service.dart';
+export 'material_file_service.dart';
+export 'monster_file_service.dart';
+export 'translation_file_service.dart';
+export 'weapon_file_service.dart';
diff --git a/lib/domain/services/file/furniture_file_service.dart b/lib/domain/services/file/furniture_file_service.dart
new file mode 100644
index 000000000..da1324030
--- /dev/null
+++ b/lib/domain/services/file/furniture_file_service.dart
@@ -0,0 +1,8 @@
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class FurnitureFileService implements BaseFileService {
+  FurnitureFileModel getDefaultFurnitureForNotifications();
+
+  FurnitureFileModel getFurniture(String key);
+}
diff --git a/lib/domain/services/file/gadget_file_service.dart b/lib/domain/services/file/gadget_file_service.dart
new file mode 100644
index 000000000..8ef2420bc
--- /dev/null
+++ b/lib/domain/services/file/gadget_file_service.dart
@@ -0,0 +1,8 @@
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class GadgetFileService implements BaseFileService {
+  List<GadgetFileModel> getAllGadgetsForNotifications();
+
+  GadgetFileModel getGadget(String key);
+}
diff --git a/lib/domain/services/file/material_file_service.dart b/lib/domain/services/file/material_file_service.dart
new file mode 100644
index 000000000..f4dddb98e
--- /dev/null
+++ b/lib/domain/services/file/material_file_service.dart
@@ -0,0 +1,36 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class MaterialFileService implements BaseFileService {
+  List<MaterialCardModel> getAllMaterialsForCard();
+
+  MaterialCardModel getMaterialForCard(String key);
+
+  MaterialFileModel getMaterial(String key);
+
+  MaterialFileModel getMaterialByImage(String image);
+
+  List<MaterialFileModel> getMaterials(MaterialType type, {bool onlyReadyToBeUsed = true});
+
+  MaterialFileModel getMoraMaterial();
+
+  String getMaterialImg(String key);
+
+  List<MaterialFileModel> getAllMaterialsThatCanBeObtainedFromAnExpedition();
+
+  List<MaterialFileModel> getAllMaterialsThatHaveAFarmingRespawnDuration();
+
+  List<MaterialFileModel> getMaterialsFromAscensionMaterials(
+    List<ItemAscensionMaterialFileModel> materials, {
+    List<MaterialType> ignore = const [MaterialType.currency],
+  });
+
+  List<MaterialFileModel> getCharacterAscensionMaterials(int day);
+
+  List<MaterialFileModel> getWeaponAscensionMaterials(int day);
+
+  MaterialFileModel getRealmCurrencyMaterial();
+
+  MaterialFileModel getPrimogemMaterial();
+}
diff --git a/lib/domain/services/file/monster_file_service.dart b/lib/domain/services/file/monster_file_service.dart
new file mode 100644
index 000000000..3ee65ce8d
--- /dev/null
+++ b/lib/domain/services/file/monster_file_service.dart
@@ -0,0 +1,17 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class MonsterFileService implements BaseFileService {
+  MonsterFileModel getMonster(String key);
+
+  List<MonsterCardModel> getAllMonstersForCard();
+
+  MonsterCardModel getMonsterForCard(String key);
+
+  List<MonsterFileModel> getMonsters(MonsterType type);
+
+  List<ItemCommon> getRelatedMonsterToMaterialForItems(String key);
+
+  List<ItemCommon> getRelatedMonsterToArtifactForItems(String key);
+}
diff --git a/lib/domain/services/file/translation_file_service.dart b/lib/domain/services/file/translation_file_service.dart
new file mode 100644
index 000000000..a5c909d30
--- /dev/null
+++ b/lib/domain/services/file/translation_file_service.dart
@@ -0,0 +1,22 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+
+abstract class TranslationFileService {
+  Future<void> init(AppLanguageType languageType);
+
+  TranslationCharacterFile getCharacterTranslation(String key);
+
+  TranslationWeaponFile getWeaponTranslation(String key);
+
+  TranslationArtifactFile getArtifactTranslation(String key);
+
+  TranslationMaterialFile getMaterialTranslation(String key);
+
+  TranslationMonsterFile getMonsterTranslation(String key);
+
+  TranslationElementFile getDebuffTranslation(String key);
+
+  TranslationElementFile getReactionTranslation(String key);
+
+  TranslationElementFile getResonanceTranslation(String key);
+}
diff --git a/lib/domain/services/file/weapon_file_service.dart b/lib/domain/services/file/weapon_file_service.dart
new file mode 100644
index 000000000..1bf41cd39
--- /dev/null
+++ b/lib/domain/services/file/weapon_file_service.dart
@@ -0,0 +1,23 @@
+import 'package:shiori/domain/enums/enums.dart';
+import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/base_file_service.dart';
+
+abstract class WeaponFileService implements BaseFileService {
+  List<WeaponCardModel> getWeaponsForCard();
+
+  WeaponCardModel getWeaponForCard(String key);
+
+  WeaponFileModel getWeapon(String key);
+
+  List<String> getUpcomingWeaponsKeys();
+
+  List<ItemCommon> getWeaponForItemsUsingMaterial(String key);
+
+  List<TodayWeaponAscensionMaterialModel> getWeaponAscensionMaterials(int day);
+
+  int countByStatType(StatType statType);
+
+  List<ItemCommonWithName> getItemCommonWithNameByRarity(int rarity);
+
+  List<ItemCommonWithName> getItemCommonWithNameByStatType(StatType statType);
+}
diff --git a/lib/domain/services/genshin_service.dart b/lib/domain/services/genshin_service.dart
index 36e6a7ce1..bc9d47885 100644
--- a/lib/domain/services/genshin_service.dart
+++ b/lib/domain/services/genshin_service.dart
@@ -1,108 +1,47 @@
 import 'package:shiori/domain/enums/enums.dart';
 import 'package:shiori/domain/models/models.dart';
+import 'package:shiori/domain/services/file/file_infrastructure.dart';
 
 abstract class GenshinService {
+  ArtifactFileService get artifacts;
+
+  BannerHistoryFileService get bannerHistory;
+
+  CharacterFileService get characters;
+
+  ElementFileService get elements;
+
+  FurnitureFileService get furniture;
+
+  GadgetFileService get gadgets;
+
+  MaterialFileService get materials;
+
+  MonsterFileService get monsters;
+
+  WeaponFileService get weapons;
+
+  TranslationFileService get translations;
+
   Future<void> init(AppLanguageType languageType);
-  Future<void> initCharacters();
-  Future<void> initWeapons();
-  Future<void> initArtifacts();
-  Future<void> initMaterials();
-  Future<void> initElements();
-  Future<void> initMonsters();
-  Future<void> initGadgets();
-  Future<void> initFurniture();
-  Future<void> initBannerHistory();
-  Future<void> initTranslations(AppLanguageType languageType);
-
-  List<CharacterCardModel> getCharactersForCard();
-  CharacterCardModel getCharacterForCard(String key);
-  CharacterFileModel getCharacter(String key);
-  List<TierListRowModel> getDefaultCharacterTierList(List<int> colors);
-  List<String> getUpcomingCharactersKeys();
-  List<CharacterSkillStatModel> getCharacterSkillStats(List<CharacterFileSkillStatModel> skillStats, List<String> statsTranslations);
-
-  List<WeaponCardModel> getWeaponsForCard();
-  WeaponCardModel getWeaponForCard(String key);
-  WeaponFileModel getWeapon(String key);
-  List<String> getUpcomingWeaponsKeys();
-
-  List<ArtifactCardModel> getArtifactsForCard({ArtifactType? type});
-  ArtifactCardModel getArtifactForCard(String key);
-  ArtifactFileModel getArtifact(String key);
-
-  List<ItemCommon> getCharacterForItemsUsingWeapon(String key);
-  List<ItemCommon> getCharacterForItemsUsingArtifact(String key);
-  List<ItemCommon> getCharacterForItemsUsingMaterial(String key);
-  List<ItemCommon> getWeaponForItemsUsingMaterial(String key);
-  List<ItemCommon> getRelatedMonsterToMaterialForItems(String key);
-  List<ItemCommon> getRelatedMonsterToArtifactForItems(String key);
-
-  TranslationArtifactFile getArtifactTranslation(String key);
-  TranslationCharacterFile getCharacterTranslation(String key);
-  TranslationWeaponFile getWeaponTranslation(String key);
-  TranslationMaterialFile getMaterialTranslation(String key);
-  TranslationMonsterFile getMonsterTranslation(String key);
-  List<MaterialFileModel> getAllMaterialsThatCanBeObtainedFromAnExpedition();
-  List<MaterialFileModel> getAllMaterialsThatHaveAFarmingRespawnDuration();
-
-  List<TodayCharAscensionMaterialsModel> getCharacterAscensionMaterials(int day);
-  List<TodayWeaponAscensionMaterialModel> getWeaponAscensionMaterials(int day);
-
-  List<ElementCardModel> getElementDebuffs();
-  List<ElementReactionCardModel> getElementReactions();
-  List<ElementReactionCardModel> getElementResonances();
-
-  List<MaterialCardModel> getAllMaterialsForCard();
-  MaterialCardModel getMaterialForCard(String key);
-  MaterialFileModel getMaterial(String key);
-  MaterialFileModel getMaterialByImage(String image);
-  List<MaterialFileModel> getMaterials(MaterialType type, {bool onlyReadyToBeUsed = true});
-  MaterialFileModel getMoraMaterial();
-  String getMaterialImg(String key);
 
   int getServerDay(AppServerResetTimeType type);
+
   DateTime getServerDate(AppServerResetTimeType type);
+
   Duration getDurationUntilServerResetDate(AppServerResetTimeType type);
 
   List<String> getUpcomingKeys();
 
-  MonsterFileModel getMonster(String key);
-  List<MonsterCardModel> getAllMonstersForCard();
-  MonsterCardModel getMonsterForCard(String key);
-  List<MonsterFileModel> getMonsters(MonsterType type);
-
   String getItemImageFromNotificationType(String itemKey, AppNotificationType notificationType, {AppNotificationItemType? notificationItemType});
-  String getItemImageFromNotificationItemType(String itemKey, AppNotificationItemType notificationItemType);
-
-  List<GadgetFileModel> getAllGadgetsForNotifications();
-  GadgetFileModel getGadget(String key);
 
-  FurnitureFileModel getDefaultFurnitureForNotifications();
-  FurnitureFileModel getFurniture(String key);
+  String getItemImageFromNotificationItemType(String itemKey, AppNotificationItemType notificationItemType);
 
   DateTime getNextDateForWeeklyBoss(AppServerResetTimeType type);
 
-  List<ArtifactCardBonusModel> getArtifactBonus(TranslationArtifactFile translation);
-  List<String> getArtifactRelatedParts(String fullImagePath, String image, int bonus);
-  String getArtifactRelatedPart(String fullImagePath, String image, int bonus, ArtifactType type);
-  List<StatType> generateSubStatSummary(List<CustomBuildArtifactModel> artifacts);
-
-  List<double> getBannerHistoryVersions(SortDirectionType type);
-  List<BannerHistoryItemModel> getBannerHistory(BannerHistoryItemType type);
-  List<BannerHistoryPeriodModel> getBanners(double version);
-  List<ItemReleaseHistoryModel> getItemReleaseHistory(String itemKey);
-
   List<ChartTopItemModel> getTopCharts(ChartType type);
-  List<ChartBirthdayMonthModel> getCharacterBirthdaysForCharts();
-  List<ChartElementItemModel> getElementsForCharts(double fromVersion, double untilVersion);
-  List<ChartAscensionStatModel> getItemAscensionStatsForCharts(ItemType itemType);
-  List<ChartCharacterRegionModel> getCharacterRegionsForCharts();
-  List<ChartGenderModel> getCharacterGendersForCharts();
-  ChartGenderModel getCharacterGendersByRegionForCharts(RegionType regionType);
-  List<ItemCommonWithName> getCharactersForItemsByRegion(RegionType regionType);
-  List<ItemCommonWithName> getCharactersForItemsByRegionAndGender(RegionType regionType, bool onlyFemales);
 
-  List<CharacterBirthdayModel> getCharacterBirthdays({int? month, int? day});
+  List<ChartAscensionStatModel> getItemAscensionStatsForCharts(ItemType itemType);
 
   List<ItemCommonWithName> getItemsAscensionStats(StatType statType, ItemType itemType);
 }