Ice-breath

Ice-breath is an ability that several Transformers with reptilian beast modes have installed in themselves for combat in their alt modes.

Fiction

Beast Wars

After becoming a Transmetal 2 dragon, Megatron possessed a new ability called Blast of Cold — shooting sub-zero blasts, in one word, ice-breathing. He was also capable of shooting flame which were called "Blast of Flame". Megatron likes to keep his enemies on their toes. Yessss... Master Blaster

Shattered Glass

Goryu used his ice-breath against Sideswipe for bothering his buddy Slugfest. Dungeons & Dinobots

Notes

• Ice-breath is the mirrorverse answer to fire-breath possessed by some individuals in Generation 1 and other normalverses.