Name: Atomic-Chain Projector “So you can chain lightning, but have you ever tried chaining atomised detonations of Void Light? No, I didn’t think so.” — Unknown Voidwalker to Unknown Stormcaller. Intrinsic Perk — Charge-Parity Break: Kills with Axion Bolts spawns a new Axion Bolt.
That actually seems like a fun exotic that wouldn't be too overpowered. :D