Since the text on concentration does not require an action (small a) to drop concentration, nor a reaction, then parsing that text literally supports Lino’s answer: you aren’t using an action, so “any time” can be interpreted as “any time, to include when some other character is taking an action within that six second …
How does concentration work Pathfinder?
The spell lasts as long as you concentrate on it. Concentrating to maintain a spell is a standard action that does not provoke attacks of opportunity. Anything that could break your concentration when casting a spell can also break your concentration while you’re maintaining one, causing the spell to end.
Does maintaining concentration require an action?
You do not need to keep using an action (bonus or otherwise) to maintain concentration. Though you can’t cast a leveled spell with an action on the same turn you cast a spell as a bonus action. You will have to cast cure wounds on a different turn.
Does attacking break concentration?
You can end Concentration at any time (no action required). Normal activity, such as moving and attacking, doesn’t interfere with Concentration. The following factors can break concentration: Casting another spell that requires Concentration.
How does a concentration spell end in Pathfinder?
Somewhat vaguely defined. Certainly, on your turn you can choose not to spend your standard action to concentrate and thus the spell immediately ends. And someone else can forcibly end your concentration outside your turn, by forcing a Concentration check that you fail.
How does the surprise round work in Pathfinder?
In initiative order (highest to lowest), combatants who started the battle aware of their opponents each take a standard or move action during the surprise round. You can also take free actions during the surprise round. If no one or everyone is surprised, no surprise round occurs.
Can you stop concentrating on a spell at any time?
It takes your standard action. You can use your other actions as you please, to move or attack (e.g. an attack of opportunity), so long as they don’t require a standard action. The only special exception is spellcasting; you can’t do that even if it’s a swift-action spell. Can I decide to stop concentrating at any time? Somewhat vaguely defined.
How are dexterity modifiers applied in d20pfsrd?
Each character applies his or her Dexterity modifier to the roll, as well as other modifiers from feats, spells, and other effects. Characters act in order, counting down from the highest result to the lowest.
