The Blue Shell Crab is a Companion Pet in Rift. As such, it does not grant a stat boost or any sort of buff, and is purely cosmetic.
Screenshots[]
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Blue Shell Crab
Where to Find[]
This companion pet is found as a part of the Waves of Madness (Patch 1.3) world event. It is bought off of the World Event Vendors using the Rune King's Seal currency.