Red Jabber is ‘Named Enemy’ in Borderlands 3. She used to be a ‘Rare Spawn’ and not always show up, however, Gearbox Software changed the spawn rate to 100%. You can get the side mission “Kill Power Troopers” from the bounty board on Sanctuary III.
Red Jabber Location
You can find Red Jabber on the map, Ambermire on the planet Eden-6. When you fast-travel to the map by using the first station you need to keep to the right. You will find a small settlement in The Moist Hoist area, a tink called Red Jabber will spawn there alongside a bunch of other enemies.
Red Jabber Loot Pool
You can farm the Red Jabber for these legendary weapons as they are the dedicated loot source for these items. The Red Jabber has a ~10% legendary drop chance.