AF1000 is a 
Ripper Repkit
AF1000 Healing on use has +100% Duration. -50% Cooldown.
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How to Unlock the Legendary AF1000 Repkit
Legendary Loot
Repkits
Overview
How to Unlock
Unlock Location:
- Discover the Ruined Sumplands sub-region of the Carcadia Burn.
- Use the (Fast Travel Station) in the center of Ruined Sumplands.
- Right nearby is an Abandoned Auger Mine known as Trinket Crevass.
Farm Method:
- Defeat Rocken Roller, the boss of The Trinket Crevass.
- After use the Encore Machine nearby to reset the fight.
- Repeatedly defeat Rocken Roller until AF1000 drops.
Vex
Phase Phamiliar
Loveless
Visual Paradox Nexus
Plague Star