soul land fanfic ideas

Mc is reincarnated in soul land with twin martial souls one is sun eating wolf and other is moon eating wolf they are from asgardian myth and they will have a fusion that will be fenrir world devouring wolf can also make it so that mc cultivates both the wolf at same time so to balance and both will be able to devour everything of their respective element like sun eating wolf will devour everything yang related and moon eating wolf will devour everything yin related