Here are Zach's abilities and forms

1st form: Base

Gravity Beam: He can fire electric beams from his normal head and dragon heads

Thunder Fist

Arc Shockwave: Fires lightning from his wings and can strike it down in a 10 km radius

Flight: Can fly with his wings at Mach 6

Club Tails: Can use his 2 spiked tails as weapons

And he can affect the weather into hurricanes and thunderstorms (similar to Ghidorah in Godzilla: KOTM)

He can also regenerate very fast, and can even grow his heads back as long as his main head or 1 of his dragon heads remain

________________________________________

2nd form: Supercharged

By absorbing electricity from a power plant, he can boost his abilities, which remain the same, they just get a 10x boost

________________________________________

3rd form: Void Thunder

Absorbing the void, Zach can now destroy galaxies on and on

Abilities:

Void Beam: An upgraded Gravity Beam where it can destroy galaxies in a split second

Void Fist

Dark Shockwave: Can summon Void Thunder in a 10 Light Year radius

And he can absorb dark matter to make himself more durable

Note: He is still weaker than Ĝøđ Slayer Kilo. And Zach's regeneration is really fast, similar to Kilo's