His other power was manifesting.  His skin prickled, and that prickling soon extended to his costume.  In moments, he could feel it as an extension of himself.

His vision changed, shifting to an aquamarine color as the pane of his helmet took on another texture.  Crystalline.

The crystal continued to grow, forming more layers of crystalline cloth, ornamentation and more.

Something that would withstand a broad attack that his other defensive ability couldn’t dodge.

…

The bubble hadn’t reformed, and it wasn’t strong enough.  Eidolon’s crystal exterior cracked and wore away.  The attack wasn’t letting up, the crystal wearing down.

[Editor’s note- The attack Eidolon is tanking killed dozens of people instantly, the last time it was used.]

Wildbow, Worm, 27.x