YOUR SPOILER CUTOFF
Spoilers for Books 1–8
Select the last book you finished to hide later spoilers.
All eight books included

Consumable · Introduced in Book 7
Rev-up Hair Restoration Tonic
Rev-up Hair Restoration Tonic grows hair through a complicated application process. When part of that process fails, Carl gets far more growth than he wants.[1]
Choose Book 7 or later above to read this section.
History
Book 7
This Inevitable Ruin
Katia follows the instructions, but Splash Zone fails because the saferoom blocks offensive magic. Carl’s hair grows excessively and comes straight back after being cut. Mordecai expects it to take about two weeks to wear off.[1]
Choose Book 7 or later above to read this section.
Sources
References are to Matt Dinniman’s novels. Book links open our recap guides.
- This Inevitable Ruin, Chapter 5.