You are setting up BOTH HP and SP so it doesn't limit you but gives you more options and chances to cast. Even when the players go low on SP as well you get a chance to cast on players. So even if it "misses" on a fire for example it still "hits" them.
Picklessssssssssssssssssssss!~
See more on Know Your Meme
[Guide] Level Planner for Player and Pet Training - http://wlodb.com/topics/13527
[Guide] Ultimate Pet Page - http://wlodb.com/topics/15272