Elemental myrmidons are elementals conjured and bound by magic into ritually created suits of armor. In this form, they possess no recollection of their former existence as free elementals. They exist only to follow the commands of their creators.
Fire myrmidons can be found (under different names) in other game settings
The fiercest passion lives in raging flames (Flame Harrower)
Boros Flame-kin are bipedal fire elementals, animated by the magic of the Boros angels. They are passionate, loyal creatures.
Boros Flame-kin are not to be confused with the Flamekin of Lorwyn.
A flame-kin is always formidable, but feeding its fire with a sorcerous gift grants it the power to devastate armies.
Boros soldiers are like a cache of bombs ready to explode, and the flame-kin light their fuses.
"The forward flame-kin are popping. We have incoming" -Svar, Boros signaler