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Hey there is a sword in the game that's not in the list, you buy in North Bowerstone, you have to be at a high GOOD level to buy it and it is expensive! But it is the second best sword in the game just under the sword of aeons, it does like 340ish damage!

Solus Greatsword[edit]

Solus Greatsword: You Can buy in North Bowerstone for about 70,000 gold or get Lady Grey to give it too you if you marry her.