PHOENIX (Fallout Supplement)
From D&D Wiki
Phoenix is a defensive implant developed by Poseidon Energy. In the mythologies of numerous cultures, the Phoenix was a bird that at the end of its life would burst into flames and rise from the ashes reborn.
Benefit: You gain access to Phoenix thermal implants.
Increase the subject's Heat and Electrical DTs by 5. This implant adds 10 lbs. of weight to the subject's inventory permanently.
Stage IIIncrease the subject's Heat and Electrical DTs by 10. This implant adds 15 lbs. of weight to the subject's inventory permanently.