Feat
Quicken Spell
Cast a spell instantly
When casting a spell with a casting time of 2 or 3 ticks, the character may reduce that casting time to 1 tick. The spell can still be interrupted normally during that tick. For an Alchemy spell, preparing and immediately drinking, applying, or throwing the unstable solution are all completed within that tick.
Quicken Spell cannot modify a ritual, a spell with a casting time of 4 ticks or longer, or the action required to use a potion crafted in advance. It costs 3 additional spell slots and can be combined with Efficient Spell.