The Yamato is one of the most powerful weapons in the game and requires a very specific item to unlock it: the Dimensional Shard. This item is considered Mythic Rarity, meaning that it has a 0.5% drop ...

It can get quite boring after a bit. That is why in the successful Roblox experience Type Soul, there is an AFK World designed to save you a bit of time to get new items and powers.