You briefly stop the flow of time for everyone but yourself. When you cast this spell, your current turn ends and no time passes for other creatures, while you take one free turn, during which you can use actions and a bonus action as normal. However, you can only move 15ft from the location where this spell was cast in any direction, you can affect any object including those worn or held by you (as everything else is frozen in time). in addition, you can make a ranged attack or cast any non-touch spells. If you let go of an item you were carrying it also becomes frozen in time. If you consume a potion during the free turn it has no effect (though it is consumed). Listed below are a few examples of what you could do on your free turn:
Make a Ranged Attack or Cast a Spell (note: the spell effect/attack will occur after time resumes normal flow.)
Make a Wisdom (Perception) check.
Take the Hide action.
Deploy a bag of caltrops.
Draw or stow weapons and shields.
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