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Gravity Well + Void Guard
Mote & Mallow's passive. In combat a void mote drops on your target every ~4s (3s life): it tugs nearby foes in, then pops for big AoE damage (max 4). Void Guard: once per room, a hit that would drop you to low HP is absorbed + a short phase-out. Official Wildshift wiki.
Gravity Well + Void Guard is the passive on Mote & Mallow.
Official description: In combat a void mote drops on your target every ~4s (3s life): it tugs nearby foes in, then pops for big AoE damage (max 4). Void Guard: once per room, a hit that would drop you to low HP is absorbed + a short phase-out.
Works with every weapon: void motes drop in combat, pull foes together and pop. Void Guard catches a big hit once per room.
Values that scale by stage are listed as stage 1 / 2 / 3. Numbers and some details come from the current development build and may change before launch.