The Blackcliff Agate, which is the catalyst of the family, is the least desirable of the Blackcliff family since there are a lot of more readily available options for catalyst users, and the existence of The Widsith, which is a much better catalyst that also has a CRIT DMG main stat with an amazing passive, completely blows the Blackcliff Agate out of the water. However, The Blackcliff Pole, the polearm of the family, can actually be a solid option for Xiao if the player doesn't own the Primordi...