IMO - don't sink money in minis. I like these:
https://www.amazon.com/Value-Pack-24-Reusable-Counters/dp/B077XT23B7/ref=sr_1_7?dchild=1&keywords=dry+erase+game+pieces&qid=1609364877&sr=8-7
I scribble a quick face on them. Or if they are fighting Goblins there is G1 and G2. That way I can have whatever baddies I want.