How to Unlock The Legendary Swan Song Shotgun

Swan Song is a Daedalus Shotgun

The Swan Song has a legendary effect "Cannonball - Underbarrel burst fires explosive cannonballs. On kill, Gain additional underbarrel Ammo up to a Maximum of 4 bonus Ammo.

Unlock Location:

• Progress through the "Takedown at Hadron Abyss" DLC until reaching the First boss arena.
• Defeat the Three bosses Tidebreaker, Gilgathresh, & Crackclaw.

Farm Method:

• Defeat the Three bosses Tidebreaker, Gilgathresh, & Crackclaw.
• After the Raid use the Raid Machine to reset the Raid.
• Repeatedly Complete the Raid and Defeat Tidebreaker, Gilgathresh, & Crackclaw to get @swansong.