Its between him or Hydrasaur does anyone have both. Which one is just better all-around not specfic game modes
Talking from personal experience with Skull Mage here at enl 12, almost divine 4, I'm missing out on his true power: his atk rate and/or raw atk power boosted by a lot. The % more dmg against heroes is fine, but only on Battle Royale. His enlightenment is quite the disappointment, but every little bit helps.
As for Hydra, I haven't used him anywhere since I replaced Demon Slayer with Abyss Demon, so I can't help you on that one.