This one seems super farmable next to Proving Grounds

Warlock Solar 3.0 infinite fusion grenade build guide -    • The Solar 3.0 Warlock build you NEED ...  

00:00 Loadout / Weapons
00:25 Start
04:00 Inside - Locate the Insight Terminus
05:10 Pursue Kargen (First Arc Charge)
08:43 Second Arc Charge
11:00 Kargen - Boss encounter
12:48 Boss - 50% health shield

#destiny2 #grandmaster #seasonofthehaunted