This is an editor for the following Castlevania games:

• Dawn of Sorrow
• Portrait of Ruin
• Order of Ecclesia
• Aria of Sorrow
• Harmony of Dissonance

It is currently compatible with the US and Japanese versions of the DS games, and the US versions of Aria of Sorrow and Harmony of Dissonance.

Features

• Editing rooms (tiles, entities, and doors)
• Adding new rooms, resizing rooms, and adding and removing entities and doors
• Editing enemy stats (max HP, attack, items dropped, etc)
• Editing items
• Editing GFX and palettes
• Editing sprites
• Editing area maps
• Editing player characters
• Editing text
• Editing tilesets
• Editing which songs play in which areas
• Editing which items are in the shop
• Editing random chest item pools
• Editing weapon synthesis
• Editing magic seals
• Adding a new overlay file that can be used as free space
• Testing rooms by launching the game with you in that room

Details on how to use it can be found in README.txt.

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Download latest version here

Source code: https://github.com/LagoLunatic/DSVEdit