Eh, nothing really does big dmg to my wizard and more energy is pretty much always better, but you do get more health and the 10resist all thing which helps a bit. I'd go alchemist over rogue in backline though, with 5alchemy you can make +stat potions but the herbs are obviously limited for it but with an alchemist you just put all the other herbs on someone else and run around in circle for 10mins and get a few of these herbs to multiply and get a bunch of stats. Alchemist stats growth is good too, better than rogue. Obviously damage is lower however, but not by a huge amount if using ranged weapons, if you're meleeing from backline though you do lose quite a bit.
Ratlings mutation is a mixed bag too, you can get shit mutations. They seem to be rolled on char creation also, not on level up, so you can't reload to get the right ones, so it's kinda eh whatever. It's something though, but like lizardmen frontlines get 70 all resist on lvl 1 and minos starts with +2stats than everyone else and one of the mino can have like +8str from headhunter(which is gonna be more consistent than ratling mutation for the most part).
Pro tip though is to eat the right food for the right race. Not sure about minos and pretty sure humans don't get the bonus, but lizard > eggs, insect > fruits and rats > cheese gives +stat at like 3, then 4, then 5 eaten(or at least that's how it was on rat and lizard). This lets you get some free stats. Again stats are rolled on creation so you always get the same thing.