PLEASE DON'T NERF!!!

Everything, literally everything, is a viable option. You can spend the whole game only spamming Head Flail (the Dullahammer red shard) and still be able to win against every boss. And you know what? That's actually a *positive* thing. Every weapon type and shard is viable, and while indeed some are objectively better than others, none are actually unusable. You can basically choose whatever suits your play style better and still have a blast playing the game. There's a "broken" build for every weapon type and shard combination out there, you just have to find it. The game actually gives you a lot of resources for it: mastery techniques for weapons, rank and grade for shards so every single one of them is viable to use, every weapon type has its advantages and disadvantages, etc. You can play whatever the way you want without that feeling of "gimping" yourself for using an useless build and play style. I've seen players using spears, whips and boots, three weapon types that I personally didn't like one bit, yet those players were having fun just like me. I've seen players using completely different shard combinations from mine, and they were playing the game just fine.

That's the magic of this game's system: you are never going to feel FORCED to change your play style to one you don't like just because you found a new weapon/shard. With the current system, the only instance you're going to dramatically change anything with your build is when you find something that you feel is more fun to use, instead of being "statiscally" better. Everything is viable, and everything can be "broken" with the right build.