It's 100% a real, legitimate, viable build, my dudes.
Mission: Quest: Return of the Rangers, Raid, Difficulty 7, 145 Tonnage, 3 Mechs
The rune language you're hearing is Filipino.
Note that this is a modded playthrough:
Yet Another MechLab (and other related weapon and mech variant mods)
Coyotes Mission Pack
JFs AI Co-op Controls
Star Map Mouse Over - Mission Logos
Scary Tanks
Purchase Salvage
UpdatedHighEmployment
T6M's Fast Melee
Remove JumpShip Animation
MechWarrior 5: Mercenaries
https://mw5mercs.com/