YaxCeh is a magic Runeword created by combining a Yax Rune of Ritual and a Ceh Rune of Invocation.
How to Create YaxCeh
You can create YaxCeh by adding the magic Yax Rune of Ritual and the magic Ceh Rune of Invocation to a two-socketed 
Helm, 
Chest Armor, 
Pants, or 
Two-Handed Weapon.
Overflow
When YaxCeh overflows, you receive the Ceh Rune's overflow effect (Summon Multiple Wolves) 1 times.
Overflow occurs when your Ritual generates more Offering than required for the Invocation. The overflow effect is proportional to the amount Offering overflows.
Legions
Helltide