I played it a couple of times. My complaint with him is like Auduin. He just comes off he weak, full of doubt, fragile. Could just come down to the voice actor, as Pelgoas doesn't talk with confidence. This is nothing new, sometimes in games\TV\movies they make a character that is supposed to be cool and badass and they aren't and sometimes the badass characte proves to be the funnier than their comedian lead. I can see what they were trying to do with him, just a swing and a miss
Pelagos is pretty much all of the shadowlands for me, Not sure what they were aiming for, but none of it worked for me. Pretty much every aspect seemed off, except the MAW which achieved it's goal of being a dreary miserable place which mad sense as it was effectively hell.