Merlin Chaos

[What is my purpose?]

just adds 2 merlin engines, that's it.
https://drive.google.com/file/d/1xk3X95agaztmRqUTXrMaKaC-GSs0xWsJ/view?usp=drive_link
Merlin 1D:
70.5t thrust
311 ISP
Merlin Vacuum:
65t thrust
400 IS
P