you get it at lvl 18
even tho it can save u money u shouldnt get it u will regret it later in the game
u can choose between-
summon ale
5 sta
3 magic resist
3 disease resist
+5% hp regen, 2 str (this is a spell recast is 30 mins not sure the time it lasts but im pertty sure its low)
5 def (this is to ur def skill!!! for a tank this is awsome def is ur chance to evad along with a few other things great choice)
5 metalworking(crafting skill for making weapons i believe)
5 artistry
+3%max hp(another great skill for tanks, i dont know if this is active for ever or just adds at that lvl or if it will stack with another 3%max hp)
divine dmg(this is a proc for ur weapon i dont know anything about it but its recast is 30 mins like all choices like this)