2nd

Enlarge  [two-actions] Spell 2

Concentrate Manipulate Polymorph 
Source Player Core pg. 329
Range 30 feet; Targets 1 willing creature
Duration 5 minutes

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Bolstered by magical power, the target grows to size Large. Its equipment grows with it but returns to natural size if removed. The creature is clumsy 1. Its reach increases by 5 feet (or by 10 feet if it started out Tiny), and it gains a +2 status bonus to damage rolls on melee Strikes. This spell has no effect on a Large or larger creature.

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Heightened (4th) The creature instead grows to size Huge. The status bonus to melee damage is +4 and the creature's reach increases by 10 feet (or 15 feet if the creature started out Tiny). The spell has no effect on a Huge or larger creature.
Heightened (6th) Choose either the 2nd-rank or 4th-rank version of this spell and apply its effects to up to 10 willing creatures.

Invisibility  [two-actions] Spell 2

Illusion Manipulate Subtle 
Source Player Core pg. 339
Range touch; Targets 1 creature
Duration 10 minutes

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Illusions bend light around the target, rendering it invisible. This makes it undetected to all creatures, though the creatures can attempt to find the target, making it hidden to them instead. If the target uses a hostile action, the spell ends after that hostile action is completed.

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Heightened (4th) The spell lasts 1 minute, but it doesn't end if the target uses a hostile action.