Was it a good idea to give Lucas the power of fire? Maybe

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I'm open to critique! I might not address what you say immediately because backlog but I'll take it to heart!

Transcript:
Lucas: I did it Finn! I did it! Yay! Thank you! Wait, how do I stop?
Finn: Catch the fire with your hands and absorb it back into your heart.
Lucas: You have no idea how happy I am. I have a body that works! I have a body that works! Wait, won't the light gather monsters? Isn't it risky?
Finn: Nah, Shelters are protected by a super cool Trikit and Stodoc tech! The stone you were looking at, at the first Shelter.
Lucas: Oh yeah! I remember.
Finn: Light and sound don't leave the Shelter. It's kike we're not there from the outside!

Characters:
Lucas (♂) : Arbrool (red) with a blue cap and a teal scarf
Finn (♂) : Axaqueue (blue) with an orange hat and a red bowtie

Lore:
Axaqueues: blue creatures, control water
Arbrools: red creatures, control fire
Etrikits: yellow creatures, control electricity
Stodocs: purple creatures, are very strong
Norooits: green creatures, control wind
Zelonams: Lucas's original species
Hybrids: Creatures of two different species
Ripple: Finn's village
Atlas: the capital city of Azimuth