All of the element incarnates are from the battle tournament. The setting is like on the dome arena where the combateers show off their abilities. After the match, they head to the lobby or the locker rooms. The tournament match was clash between Fluorine and Selenium. F's main weapon's a sword while Se uses her spear. That time of the match, Fluorine defeated the tournament foe using her move Halogen Pulse with her sword; after the battle, she is jumping with glee while she's approaching to her "counterpart", Caesium.
Fluorine: Yes!! (Still jumping) That was an epic match, Cae!
Caesium: Yes, I know. You're almost hit by Se's one of her dangerous moves to come up with.
Fluorine: The Elemental Solar Attack? (Scoffs) That was no use actually. Please, don't judge me!
Caesium: Hmm? (Smirks in front of F) Se might pay you back..
-Selenium suddenly arrived from behind and slaps Fluorine-
Caesium: (Thought: Called it.)
Selenium: I heard what you say earlier! You are actually do