Guide
Don't draft Grohk as a solo support. But if you do happen to be in this situation and your team doesn't pick a 2nd support, you could use this loadout.
Items: Build Chronos to 3. Then Morale Boost. Haven/Resilience. Nimble.
Spirit's Domain
Hitting allies with your Lightning Staff Heals them for 750 per second and your maximum Ammo capacity is increased by 15%.
Weapon
Thunderlord
Increase your maximum Ammo by 10-50%.
Weapon
5
Spirit's Grace
Allies inside your Healing Totem gain 6-30% increased Movement Speed for 1s.
Healing Totem
5
Outreach
Increase the deploy range of Healing Totem by 15-75%.
Healing Totem
1
Electrostatic
Increase your Ammo regeneration speed by 12-60%.
Weapon
3
Monolith Totem
Increase the Health of Healing Totem by 150-750.
Healing Totem
1