I specialize in energy weapons, right? I found a plasma weapon that does like 120 damage, it's some type of super plasma rifle. Used it on super mutants, and it takes like 3 shots to get them half way down. By then I'm dead in like 4.
I got tired of her, so I remade my character. Made an old guy who wears a white suit and hates everything. He is the destroyer of worlds. Haven't had the same problem with him.. He kills scorpians with no problem compared to my other character.