User blog comment:BannedLagiacrus/Monster Appreciation Week: Soulseer Mizutsune/@comment-28165111-20181102114103

If all Fated Four Deviants supposed to be rivals of other Deviants.

Elderfrost Gammoth vs. Grimclaw Tigrex

Soulseer Mizutsune vs. Thunderlord Zinogre

Boltreaver Astalos vs. Dreadking Rathalos

Then, who supposed to be Hellblade Glavenus' rival?