Correct me if I'm wrong, but she isn't just invisible. Her forcefield makes her practically indestructible while invisible.
Yea i agree:
When a character is completely transparent and cannot be seen by either the viewer or another character. Their clothes may or may not be invisible as well.
If a character is not fully invisible but instead partially transparent, then tag as transparent.
Then someone drew that (not this one) and Kiara proceeded to Shonen anime bonk the artist. That version also had A LOT of sweat, and the couch had Zeta's face on it. It wasn't just "the couch looks like Zeta," the couch WAS Zeta.