Mutilator
The Mutilators are massive horrible abominations of flash and metal, who live only to RIP AND TEAR. They are often called melee-oriented Obliterators, but though crunch-wise (and model-wise, to the extent of having the exact same torsos and legs) they are practically identical, fluff-wise they are nowhere near.
Fluff
Mutilators were once Terminator champions, who was so obsessed with close combat, that they merged with their weapon into one being. Apparently, spending 90% of your time in the fucked up hell-dimension of the Eye of Terror you can do such things without any daemonic techno-virus help. So now their bodies are covered in grown-in terminator armour, power weapons, chain weapons, lightning claws, and various other sharp objects, as well as their souls, which have merged in all of the machine-spirits of all the weapons they have absorbed. Unlike Obliterators they still can speak non-binary language, but being absolutely batshit-insane butchers they rarely have anything to tell.
Crunch
The guy that wrote this codex seems to have a serious problem with internally balancing his works. For example, his most celebrated work, Codex Dark Eldar in 5th edition had a handful of units that were terminally useless versus much more useful choices. Sadly, this is exactly what Mutilators are - useless point- and slot-sinks that cannot compete in their segment. Let's take a closer look at them, shall we?
PROS
- 2 wounds
- 2+ armour save from Fleshmetal
- Daemon (5++ and causes fear)
- Deep Strike
- Come with the following weapon pairs: Power sword/axe/mace, Chainfist, Lightning Claw
- Fairly inexpensive at 55 pts./model
CONS
- They have Slow and Purposeful for no good reason at all, because...
- No ranged weapons, which means...
- Deep-striking these guys will see them offed by a volley of plasma/melta shots, which wouldn't have been a big deal, except...
- Unit size is capped at 3 models max!
- Additionally, they have to change weapons every turn. Basically, if they fail to kill something in a round of combat, depending on their target they will likely be less effective against them next round.
- They take up an Elites slot, which has both cult marines and more cost effective options; namely Possessed, Hellbrutes and the far more preferential Chaos Terminators. ALL of these can do what Mutilators do and can either do more or do it better or both.