Chapter 25: Old Friend, New Foe

Luz learns Sasha's been with the toads all this time, but she finds herself unprepared to find out what she's been up to.

Tropes That Appear In This Chapter:

Big Damn Reunion: Luz and Sasha finally reunite, but it gets ruined because of the upcoming invasion Sasha's planned.
The Bully: Bog and Fens get a kick out of mocking Gustav which is why he started studying under Uodeela, to get away from them.
Connected All Along: Percy is Gustav's father and he's been helped Uodeela rob the toad army by giving her the tax collection schedule as payment for teaching his son magic.
Call-Back: Sasha finally reveals her role in setting Luz up in "Dance of Romance", to which Luz mentions crying in the bathroom after what happened.
The Ghost: Anne is mentioned by Luz and Sasha while Luz mentions finding Marcy.
Internal Reveal: Luz learns where Sasha's been, about her fight with Anne and about the truth behind her actions at the dance.
The Mole: Percy's been acting as one for Uodeela in exchange for free magic lessons for his son.
Out of Focus: Lilly and Amara don't appear until the second-to-last scene.
The Reveal: Gustav is Percy's previously mentioned son.
Wham Episode: Luz meets Sasha again, learns of her role in her fallout with Anne and that she plans to invade Tadpole Pond and take out Uodeela, who tells her apprentices to prepare for battle.