More characters and a bigger world sounds great, and I can already imagine where the next classes could take the story. how a class felt / a fight].
Since community ideas are such a big part of your plan, have you thought about a dedicated Discord for playtesters? A single server for feedback, suggestions, and bug reports usually keeps early fans engaged and makes tuning easier.
At [Bubble connect], we help indie devs with Discord setup, trailers and short clips, and Steam wishlist strategy. We'd be happy to set up a simple server layout for Crulanda or cut a quick teaser from your public footage as a free sample. Would that be useful?