Revise and complete class powers

[alice-i-cecile]

Class progress:

• [x] alchemist
• [x] bladesworn
• [x] conduit
• [ ] devout
• [ ] elementalist
• [ ] lifespeaker
• [x] paragon
• [x] soulbinder
• [ ] trickster
• [x] weaver

Targeting about 20 powers per class.