Esthery

The Esthery are an alien race in the Marvel Universe.

Physiology
The Esthery are humanoids, possessing green tinged skin and facial markings.

Culture
The Esthery have a bizarre code of honor. Whenever they swear an oath, they will fast until the oath has been completed even under threat if starvation.

Source

 * Cyclops 005 (2014)