Enter the Gungeon · ▣ Gun
Proton Backpack
B“Crossing Streams”
Fires a homing laser.
Synergies · 1
Electron Pack
Kills with Proton Backpack spawn allied ghosts that attack enemies.
Requires:Proton Backpack+Zombie BulletsorGhost Bullets
Playing right now? Track your run and the Ammonomicon surfaces every synergy in your loadout the moment it becomes active.