pf2e.fyi
From Pathfinder Impossible Magic, which isn't enabled.

Overload Connection

SPELL 3
Traditions arcane, occult
Cast
Range 60 feet
Targets your familiar
Defense basic Reflex
Duration sustained up to 1 minute

Typically, the connection between a familiar and its master carries subtle mental magic only felt between the two. Some casters learn to empower this magic, blasting scrambled lines of their mental conversations to any target between them. When you Cast this Spell and the first time you Sustain this spell on subsequent turns, this magical connection flares in a line between you and your familiar, dealing 3d8 mental damage to all creatures in the line, with a basic Reflex save.


Heightened (+1) The damage increases by 1d8.
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