Hybrid Transformation: Duncan can willfully transform between his normal and hybrid form. Due to acheiving his form, his normal form has become even more reptillian.
Super Strength: Duncan has enough strength to overpower an exceptionally large Kaiju almost easily. Duncan can also jump high heights.
Fire Breath: Duncan can breathe large amounts of fire and use them as fire blasts. He can manipulate the fire he breathes.
Reflexes: Duncan's reflexes are at superhuman levels, at least.
Speed and Stamina: Duncan has at least superhuman level speed and stamina.
Durability: Duncan can take intense beatings from a powerful Kaiju and shrug it off. He is also immune to fire and heat.
Flight: Duncan can sprout wings that allow him to fly.