The mini-super idea is interesting but may be a bit hard to balance.
How about it boosts melee damage and, when you have it drawn, you melee with the gun?
English
-
I don't know if it would really qualify as an exotic then, just a legendary with a fantastic perk...
-
That's kinda what most exotics are though. For example, what's the invective without its ammo regeneration perk? Just a full auto shotgun with decent stats.