Cephaloist
From Archon Arcana - The KeyForge Wiki
Cephaloist • Untamed • Creature • Common • While you have 4or more, your
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While you have 4 or more, your cannot be stolen.
or more, your cannot be stolen. “Dark æmber unlocks one’s true potential.” – Dark Queen Gloriana
MM 362
Artist: Adam Vehige
Commentary
Based on the clarification provided by Discombobulator, effects that are dependent upon Æmber being stolen from your pool will not resolve if "your Æmber cannot be stolen."
Source: Discombobulator