User blog comment:Miskos3/Fairy Tail 514: Dragon Seed, Review/@comment-24784846-20161213010900/@comment-7418318-20161214212316

Fatally wounded?

Jiemma had a massive hole blasted through his torso and he still survived without much issue. Compared to that those "fatal" wounds were nothing.

Besides in a kill or be killed battle you can't afford to hold back or you are dead. That would fall under the "can't be avoided" category. But you won't see FT cutting off heads (or any body parts for that matter), stabbing directly through hearts or finish off incapacitated enemies.

As for your examples:

The sun and moon girls weren't intentionally killed by Mira. They just returned to their swords forms after their beating. A normal Human would most likely have been knocked out and nothing else.

Bloodman committed suicide in an attempt to drag Gajeel with him when he realized he couldn't beat Gajeel.

And Wahl was a machine. Machines can't be knocked unconscious. Rendering a machine inoperable without destroying it is not an easy task for someone not familiar with the particular design, which Laxus most certainly wasn't.

Though I grant you that Mira basically eating the Tartaros Demons is a different matter, but then without Hell's Core they'd have been in a body-less state for the rest of eternity anyway, so they were in a "worse than death" state either way, no matter if inside of Mira or not.