Before assigning characters, confirm the Extra challenge’s exact group size and roster requirement. The supplied video description says to divide all 121 characters into 11 groups of 12, but 11 groups of 12 would require 132 characters.
The source establishes the goal—clear every group in幽境的激戦「エクストラ」—but does not resolve that mismatch. Don’t build a plan around the stated counts until you verify the actual in-game rules. The available material also does not establish specific team roles, elemental requirements, or recommended rotations.
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Player Comments
64 players commented on this guide.
Good guide for Genshin Impact players. The heroes part was useful.
This helped me understand heroes much better.
I wish I had read this before upgrading the wrong thing.
Nice guide. I am checking the other Genshin Impact articles next.