Genshin Impact Randomized Spiral Abyss Floor 12 Challenge Rules

The video description proposes a Genshin Impact roulette challenge: divide the full roster into teams and aim for a nine-star clear of Spiral Abyss Floor 12 with every team. But its numbers do not match: 16 teams of 8 require 128 character slots, not 121. Confirm how the challenge handles the seven-slot difference before assigning teams.

What the challenge description specifies

The source description says the challenge uses 121 characters, arranges them into sixteen groups of eight, and aims for a nine-star Floor 12 clear with every group. It does not explain the mismatch or say whether characters can appear in more than one group.

Before starting, settle that assignment rule. Once the teams are defined, the stated goal is to attempt Floor 12 with each team and earn nine stars on every run. The source does not provide team builds, combat instructions, or results, so those details cannot be established from the description alone.