I got the chance to play Krosmaster Arena a month or so ago, AND NOW I CAN’T STOP!!
Overall I give Krosmaster a 7.5/10
The components are fan-fucking-tastic. Beautiful, 3d, lots of details.
The gameplay is a little wacky. It uses a lot of dice. A lot. There are plenty of ways around them though.
Watch a video or two before diving in as the rulebook(as almost all do) leaves much to be desired.
The video should be a decent walk-through with opinions after the 13-minute mark.