For Blood Alchemy, please specify how long consumed potions and imbued items last. You can use real time or number of posts to express duration.

"Special Grade Potions" seems kind of like a contradiction at this point, as it says no one can drink them, but then in a different ability you say Nevin can drink essences. I may just be missing something, any way you can clear this up?

For able blooded please add something to the extent of abilities gained will not exceed Nevin's own power level. The way it is currently worded, Nevin could still gain some pretty insane abilities if he got, for example, my character's blood.

After you've addressed these things I think we'll be good!