15% Crit Ring, worth it?

The 150 Hyper is Blackhearted Curse, which is an aura skill like Fire/Poison, Ice/Lightning Mages and Hayato's Aura skills that do continuous damage to enemies around you. It bypasses Damage Reflect and Magic Cancel, I think, but it's currently bugged so that it activates Monkey Spirits, which can activate Damage Reflect.

And no, Kanna's mana pool never goes over 100, it's a massive pain and I don't understand why they've limited the class so much, especially when her damage isn't that great to begin with.

Personally I dont think having it at 100 is an issue, its rather that the skills cost so much that you have to be way too careful with what you use, especially at magnus. I mean especially the binding skills, why on earth should it take 80% of your mana pool when ds only takes 1/3, and they have better ways to regain it.