ionization beam transforms matter into plasmetic solar fire, projects light-flashes which induce feelings of starvation, absorb solar energy and electromagnetic radiation in augment his powers, generate radiation shielding psi-field, sense objects through heat signatures, flight
Recruited for the Unity Division in Uncanny Avengers (1st series) #5.
Sunfire was once exposed to the Zero Fluid that give Jack of Hearts his power. Shiro briefly gained enhanced strength, endurance, and reflexes, a charge of bio-kinetic energy that built up in his cells, and one entire side of his body turned pitch black. Sunfire wore an amplification suit from Uncanny X-Men (1st series) #284 til X-Men (2nd series) #25 which was equipped with solar panels to increase his power levels, energy blasters that channeled his solar fire into laser-like discharges, and stabilizers that increased his flight speed and maneuverability. He became Famine in X-Men (2nd series) #183. Famine I belonged to a set of Horsemen that battled the Fantastic Four.