User blog comment:HazelQuill7445/Awesome fan art/@comment-25936766-20170805230722/@comment-25936766-20170806003803

1) Servants are Heroic Figures, with their abilties mostly influenced by their achievements and fame. They can also be summoned from different points in time, or even different timelines, meaning a single Servant can have multiple versions.

While generally stronger as a certain class, this means they can be summoned as other classes, which affects their stats and abilities.

For example, there's Li Shuwen, who's best as a Lancer, but can still be a pretty good Assassin, showing off his kung fun skills and his famous "a second strike isn't needed".

Or Arturia, who uses Excalibur when summoned as a Saber, but can also be summoned as an Archer, Rider, and Lancer as well (in the latter case, using her spear Rhongomyniad). Ditto with her Alter version.

....................So yes, Weiss could at least theorically work as a Saber. But I just cannot see her as one. She doesn't even know how to use that freaking Rapier of hers, what with 9/10 times slashing as if it was some Cutlass instead. She's better off when using Dust.

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2) So you're saying Dishwasher did it just to get more attention? That's a pretty unnecesary accusation. He likely did it just because.