Okay, but how is he doing this??

So for those who don't know, he's able to use his element perfectly fine In this episode despite Cole not being able to Use his Elemental Power, and it genuinely confuses me a little bit as Earth and Fusion are both Elements from the Source Dragon of Strength and he's already it stepped away from the lives of the mortals so and in the actual episode, it doesn't even look like he's struggling as he Uses Fusion pretty easily with no signs of struggling to do so So I gotta ask how? Do Merge-born...