See also: Items
Physiological Accelerators (PA 1s) allow someone to increase their health/lifeforce. Its name implies that it speeds up the regeneration of lifeforce, although it just allows for more health.
- Item Name: PA 1 (Physiological Accelerator 1)
- Description: A PA 1 increases Jade or her partners' energy gauge by one heart, and completely restores their energy.
- Location: There are a total of 13 PA 1s on Hillys and they can be bought from vendors, or found in places throughout Hillys.
- Price: 1,500 units; free
- Lighthouse Shelter - In the bathroom after restoring power
- Black Isle - Inside a vending machine halfway through the mine
- Black Isle - Right path at the start of the mine, requires the Barranco D53
- Vorax's Lair - Inside a chest at the start
- Nouri's Garden - In the Pedestrian District bought from Nouri
- Ming-Tzu's Shop - In the Pedestrian District bought from Ming-Tzu
- Nutripils Factory - In a chest in the Electrical Closet past an electric barrier, destroyed by pushing an XB-24 Robot into it
- Nutripils Factory - Near the start of the Shipping area next to two Alpha Section soldiers , after killing them it can be taken
- Nutripils Factory - In the Loading Zone, in a chest when escaping the factory
- Slaughterhouse - In the East Wing, grab onto a box being moved by a crane and fall into the pit it goes over. At the end of the pit is a chest with the PA 1 inside of it
- Slaughterhouse - In the North Wing, upon entering a large room with two Cyclopius Unit M39s go to the left conveyor belt and crouch under a wall. After sneaking by some guards it is found inside a chest
- Slaughterhouse - In the North Wing, after obtaining the second fuse, there is an Alpha Section soldier standing on a ramp. After killing him the PA 1 can be found in a chest past him
- Selene - Once landed in the Transmitter Entrance, it is in a vending machine
- Because cheating in max health will give Jade 16 hearts (two plus 14) it is speculated that there is one unfound PA 1, or the developers intended to add one more, but they didn't.