Best traits for a Mesmerist

[Sir_Andrew]

hello! so i making a lv 5 catfolk eyebiter mesmerist for a upcoming one shot. so far i have decided on everything but the traits. are there any especially useful or tricky traits i can use that you'd suggest? i was maybe thinking mutant eye for the third eye for the first one.

[Grandlounge]

Two-World Magic for acid splash is nice when you start adding significant damage from painful stare.

Mediator is good as higher DC's are always nice.

[The Sideromancer]

armour expert.

I need to stop just building tank mesmerists.