Ability:Didicharm Datacharm

 Power sources: 💪Martial

 Effect types: 🧠Mental🔊Loud

 Delivery: 👁️Sight🎖️Feat

 Save attribute: INTIntelligence

 Target: 👤Creature

 Execution time: 1️⃣Single action( ➡️Active )

 Duration: Instant.

 Range: 30 feet.

 Requirements: You are in a mob of crabs with at least 3 participants. Target is not deaf from something other than this effect.

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You chant rhythmic sounds such as "didichum datachum" in unison with other crabs. The chant is mesmerizing and all-consuming to the point that it is the only thing target creature can hear. The DC of this is equal to 3 × M where M is the number of executors taking part in it. This is used collectively by all participants of the mob, not once per member.

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 End condition: At the end of each of the target's turns, they roll 2d4. If either of these dice roll a 4, this effect ends. On fail: Target is charmed and deaf. On success: Target is deaf.