Unit-08

Unit-08, The Golem
Unit-08 is 4 meters tall quadruped machine. It's armor can withstand most explosions and magical attacks, it's also resistant to any blades and blunt weapons. The machine is equipped with a flamethrower that takes energy directly from soul inside it and can melt organic matter in seconds.

Unit-08 was build many years ago by Dr Narn Keter before he moved to New Satra for the purpose of clearing fallen cities of undead. The project was rejected by Royal Council itself, because the golem required a soul to power up, and mass production would require many souls to be sacrificed. Only one Unit-08 golem was build, and it was destroyed in final battle against Bomb Master. Dr Keter never went to retrieve it's remains.

Story
"Golem" is term for a creature with artificial body and soul bound to it by magic. Since humanity mastered magic and understood how souls work thousands years ago they build constructs of stone and metal as their workforce. In ancient times criminals were bound to golems and forced to work, but nowadays it's considered inhuman. Not many golems exist today, and those which do are powered by souls of dangerous elementals and death row convicts.

Years ago young scientist Narn Keter build a quadruped machine, a golem that would forever change how golems are made. Before the prototype was finished new law forbid using human souls to power those machines and Unit-08 ended up in the basement for years.

However under the special conditions and when the soul is ready Unit-08 can still be powered up. And it's still just as powerful as it was when it was build.

In-game
Infamous Tank Archer combining archer's damage and durability of tank. While not as great on offensive, Unit-08 is the best point protector in the game.

Trivia

 * "Tank archer" was a meme in testing team for a long time and everyone wanted an absurd character like this to be made, but after it finally came to be everyone begged for it to be removed. First version of Unit-08 was ridiculously overpowered - Soul Furnace healed twice as much with 7 seconds cooldown which made this machine nearly impossible to kill.
 * Unit-08's passive and chapter 16 featuring fight between the golem and Bomb Master are named after this song from a game Monolith. Chapter 16 title card also references Monolith, pause screen on floor 6 to be exact.
 * Unit-08 is the only character able to inflict negative effects on themselves.