Spell Bastion
ITEM 13 2700 gp
applied to shield
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A spell-bastion rune creates a reservoir of eldritch energy within the shield. A spellcaster can spend 1 minute to Cast a Spell of 3rd level or lower into the shield. The spell must take 2 actions or fewer to cast and must be able to target a creature other than the caster. The spell has no immediate effect-it's instead stored for later. When you invest a spell-bastion shield, you immediately know the name and level of the stored spell. A spell-bastion shield found as treasure has a 50% chance of having a spell of the GM's choice stored in it.
envision
Your spell-bastion shield is storing a spell, and you have your shield raised
You prepare to unleash the stored spell on any foe that hits you until your next turn.
command
You have a spell stored in your spell-bastion shield, and you've activated the shield since your last turn in preparation for unleashing the spell
You use the Shield Block reaction against a foe that the stored spell can target
You unleash the stored spell, which uses the target of the triggering attack as the target of the spell. This empties the spell from the shield and allows a spell to be cast into it again.
command
You harmlessly expend the stored spell. This frees the shield to have a new spell cast into it.
Pathfinder Lost Omens The Grand BazaarOGL