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From Pathfinder Impossible Magic, which isn't enabled.

Grim Sandglass (Major)

ITEM 12
MAGICALSPELLHEART
Price 2000 gp
Usage affixed to armor or a weapon
Bulk —

One bulb of this tiny hourglass contains black sand, the other white. After even a few grains pass from one side to the other, it reverses its flow to keep the two sides in equilibrium. The spell DC of any spell cast by Activating this item is 29.

  • Armor You gain resistance 10 to void.

  • Weapon After you Cast a Spell by Activating the hourglass, your Strikes with the weapon deal an additional 1d8 void damage until the end of your next turn.

Effect: Grim Sandglass - Armor

Effect: Grim Sandglass - Weapon

Activate Cast a Spell
Effect You cast Void Warp.
Activate Cast a Spell
Frequency once per day
Effect You cast 4th-rank Harm.
Activate Cast a Spell
Frequency once per day
Effect You cast Whispers of the Void.
Pathfinder Impossible MagicORC