This is definitely not an imitation of Alucard. Unlock: Have the white horse rebuke the lying death god, and reveal the ally's truth (defeat the Trickster with Hakuba Mina / DLC Castlevania collab character).

Genya Arikado is a Castlevania collaboration character. The Pocket Knife starter works well with fast-hitting builds. His flavor passive ties into the Castlevania lore.

Build around Pocket Knife with Amount and Speed passives. The fast-hitting nature of knife builds pairs well with any DPS-focused arcana.