Dampening Field (Temp)
From Paragon Wiki Archive
Dampening Fields are a non-physical AoE that prevents teleporting by any means (Teleport, Shadow Step, Recall Friend, Teleport Foe, etc.). They can be found in Council prison areas, Circle of Thorns prison areas, and in Pocket D.
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Dampening Field -Teleport
You are being affected by a Dampening Field. It seems unlikely you could teleport.