This patch allows Soma to chain backdashes together, and you can always cancel attacks with backdash.
Database match: Castlevania - Aria of Sorrow (USA)
Database: No-Intro: Game Boy Advance (v. 20210227-023848)
File/ROM SHA-1: ABD71FE01EBB201BCC133074DB1DD8C5253776C7
File/ROM CRC32: 35536183