PK-X

The PK-X (Pentagon-K-X) series of bosses are powerful bosses based on the pentagon just like the TK-X, EK-X, AWP-X, MP-X, MK-X, OBT-X, HPK-X, RK-X, HK-X and OBP-X.

Design
The PK-X series have a big pentagon for the body.

PK-1
The PK-1 has one dual and 10 swarm drone spawners