Tip overview

His main life source is his totem. Destroy it fast to deny healing

Depending on his loadout, Grohk creates a shield when on low life. Keep that in mind when fighting with low life against him

His beam does constant damage, so don't be an easy target and stand on the same spot all time

A Grohk with Maelstrom sacrifices healing for large amounts os AoE damage and self-healing, allowing him to solo duos and even trios. Grab Cauterize to shut him down instantly.

Grohk recently lost damage on his LMB, he is easy to duel if you have good accuracy. Cauterize helps as well.