They Are Billions Calliope Build Better | 2025-2027 |

: Her dual pistols have a slight "wind-up." If you don't keep her moving, she becomes an easy target for lunging zombies.

Harmonic Overload (Ultimate, 180s cooldown) they are billions calliope build better

Which hero missions are giving you the most trouble with Calliope? : Her dual pistols have a slight "wind-up