C174 Qing Jiu Arrived
"Twin Damnation will let Shen Mi restrain you." Yin Tu was Ghost King, and he could have freely returned to the Ghost Realm and Mortal Realm, but because of the existence of Twin Damnation, he was unable to freely return.
Whether or not Yin Tu could be in Mortal Realm or Ghost Realm would depend on Shen Mi, not Yin Tu himself.
"This is similar to the Demon King's Twin Damnation. After all