It's look makes me think of Mario and Megaman, so maybe something similar. Start with very little and find upgrades or get them from beating bosses, also an upgrade shop would be nice so each play through could feel different. To be more clear say you get the base upgrade from a boss, then you can modify it at the shop between different forms, so the same weapon can play differently based on how you upgrade it. I think you should have the youtubers you feel closest to as companions that provide …