Can you xyz summon a non-Fiend monster using Archfiend Emperor The First of Horror as material in Yu-Gi-Oh?

You cannot XYZ Summon a non-Fiend monster using Archfiend Emperor The First of Horror as material. Here's why:

* Archfiend Emperor The First of Horror is a Fiend-Type monster.

* XYZ Summoning requires all materials to be of the same type.

Therefore, you can only XYZ Summon Fiend-Type monsters using Archfiend Emperor The First of Horror as a material.