Yetizad was featured in an Italian comic series called
Zagor, these comics are mostly popular in Italy and surrounding countries (like Slovenia), I doubt they ever made it over the ocean.
These are some great combat tips. One thing I'm using a lot, is to engage only enemies at the edge of the fog of war. Sometimes the enemy closest to the edge will notice one of my characters sneaking and will go to investigate, thus separating from his group. Then I pick them off one by one unless another enemy comes patrolling around.
I was never that good with mages / priests but I better learn how to make a good use of one. Fortunately, PoE gives some pretty good tips too if tutorial messages are enabled.