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From Pathfinder Lost Omens Firebrands, which isn't enabled.

Blink Blade

ITEM 12
UNCOMMONAGILEFINESSEMAGICALTELEPORTATIONTHROWN-10VERSATILE-S
Price 1750 gp
Usage held in 1 hand
Bulk L
Category simple
Group knife
Damage 1d4 piercing

The blade of this +2 striking dagger is etched with whirling portals, and a single blue sapphire adorns its hilt. It feels lightweight and is always slightly warm to the touch.

Activate Interact
Frequency once per day
Effect You cast Translocate. The space you leave and the one you appear in are filled with puffs of smoke that make anyone within Concealed until they leave the smoke or until the end of your next turn, at which point the smoke dissipates. When used in strong winds, the smoke disperses immediately.
Activate envision
Frequency once per day
Trigger Your melee attack roll with the blink blade is a critical success
Effect You and your target teleport to a space within 10 feet. The target arrives in a safe, open space of your choosing adjacent to your arrival space. This teleportation also creates puffs of smoke, as noted with the activation above.
Pathfinder Lost Omens FirebrandsOGL