They Are Billions Calliope | Build [verified]

Trapped between the fire and the dead, Calliope’s kicked in. Her attack speed doubled. She became a whirlwind of obsidian glass and carbon fiber. As the Giant lunged, she slid between its massive, decaying legs, planting a high-explosive canister—a gift from the Engineering Center—into its heel.

Requires constant input and attention; one mistake is often fatal. Grenade Utility: they are billions calliope build