Titans are the bosses in Titan Souls, and they all fight differently. Once a titan is defeated, white orb-like souls escape from the body of the titan, which then becomes a lifeless object. There are 20 (or +) titans in the game.
The titans in the game are:
- The Elder, the First Soul
- Sludgeheart, the Heart of the Guardian
- Brainfreeze, the Brain of the Guardian
- Eyecube, the Eye of the Guardian
- Gol-Iath, the Guardian of the First Gate
- Obello, the Malformed Hallucinogenic Fungus
- Vinethesis, the Poisonous Flower
- Knight Elhanan, the Legendary Titan Slayer
- Gol-Hevel, the Murdered Guardian of the Second Gate
- Avarice, the Manifestation of Greed
- Mol-Qayin, the Molten Creation of Gol-Qayin
- Rol-Qayin, the Forged Creation of Gol-Qayin
- Gol-Qayin, the Disgraced Guardian of the Second Gate
- Onyxia, the Serpent of the Cold Depths
- Stratus, the Child of the Mountain and Sky
- Yeti, the Old Snow Beast
- Gol-Set, the Guardian of the Eternal Gate
- The Soul, image of the Titan Soul
- Truth, the Secret Final Titan
- ??? (Black Vinethesis | HARD MODE ONLY)
- ??? (Eye Cube 2 | Unknown (CONFIRMED: This boss hasn't been added, but you can fight against it changing the game files) )