To unlock all the Castlevania main characters in the new Vampire Survivors DLC, you will need to open coffins, defeat bosses, and evolve new weapons. This DLC offers a lot of content, including a new map and secret characters.
All characters and how to unlock them in Vampire Survivors Ode to Castlevania
In the Vampire Survivors Ode to Castlevania DLC, all the new characters (except for one) must be unlocked by playing in the Ode to Castlevania map. There are a total of 20 characters to unlock, a new map to explore, and new weapons for each character. Here are all the main Castlevania characters you can unlock in Vampire Survivors:
Leon BelmontFind and open the first coffin in Ode to Castlevania.The coffin is near the entrance to the castle after the Tirajisu passive item.
SoniaFind seven Heart Refresh items after opening the Stallion Gate.The Stallion Gate opens after you defeat the giant bat boss you meet after entering the castle.
(Continues for all characters)
After unlocking all the new characters, there are more than 50 secret characters to unlock. These characters can be unlocked through various means, such as completing stages with specific characters or finding secret items. The adventure continues even after unlocking all the main characters.