This is just a random idea I came up with. It's bookverse.
Death
"She thinks she's so much better than us!" Pfannee hissed to Shenshen.
"I know! Why doesn't she just disappear?"
Elphaba sidled up to them, a smile on her face.
"Are you talking about me?"
"Oh, you leave us alone! Why don't you go jump in a lake?"
It had been a hard day for Elphaba…
Nessarose had yelled at her again for not believing in souls. Frex hadn't replied to her letters.
Glinda was too busy to spend time with her. School was confusing. She had gotten sick and took too much medication…
So on that cold fall day, Elphaba walked out of Shiz, took off her clothes, and jumped in a lake. She didn't suffer much. Just a quick flash of pain, then nothing…
It was Glinda who noticed she hadn't come back. All she saw when she looked was a green, bubble-like substance on the water.
She recalled a sentence from a fairy tale she read, a long time ago.
"When magical creatures die, they turn to foam…"