All 8 Uses

abyss
in
The Red Pyramid
(Auto-generated)

The dagger should've impaled me in the chest, but somehow I deflected it with my blade and sent it sailing into the abyss.†
Chpt 13 *

abyss = a hole or dropoff so deep the bottom cannot be seen -- often used figuratively to imply a frightening bottomless pit
It has many different regions and layers—the Abyss, the River of Night, the Land of the Dead, the Land of Demons—†
Chpt 18
My prison was a magically created abyss deep in the Duat, and the obelisk was the door your parents used to release me.†
Chpt 19
He cast us both into that abyss, where I was charged to fight the Serpent and keep it down forever.†
Chpt 26
He stayed trapped in the abyss.†
Chpt 26
The Serpent was already greatly weakened from eons of fighting with me, and when your mother used her own life force to close the abyss, well ...she worked a powerful feat of magic.†
Chpt 26
It widened into a rift—a doorway between this world and the brilliant white abyss that would lock Set away, trapping his life force.†
Chpt 40
I could've sent you into the abyss, Set, but you saw the real enemy.†
Chpt 40

Definitions:

(1) (abyss)
a hole or dropoff so deep the bottom cannot be seen -- often used figuratively to imply a frightening bottomless pit
(2) (meaning too rare to warrant focus)