After defeating the yeti, there should be a read x mark near the ritual stones with the funny runes on them. Move to that x to start summoning the undead.
Did you solve Restless Dead?
Thanks you guys for the help, I figured it out 
After defeating the yeti, there should be a read x mark near the ritual stones with the funny runes on them. Move to that x to start summoning the undead.
Did you solve Restless Dead?
Thanks you guys for the help, I figured it out