From DDO wiki
Use this requisition form to gain access to another defense turret that can be placed where you want to defend your extractors. Usable in extraction challenges.
- Killing boss monsters in any challenge. (~4-5% chance for them to drop a random challenge item), .
- Purchase from the DDO Store, .
Usable in the following extraction challenges:
- Kobold Island: Kobold Chaos
- Kobold Island: The Disruptor
- Kobold Island: The Disruptor - EPIC
- Kobold Island: Short Cuts
- Kobold Island: Short Cuts - EPIC