Sentinel allows you to “use your reaction to make a melee weapon attack”. Extra Attack triggers when you “take the Attack action”. Note the capitalisation of Attack action. That’s a clue that it’s not just “an attack”.
Why is polearm Master Sentinel good?
As you mentioned, Polearm Master lets you make an Opportunity attack as someone enters your reach; Sentinel lets you drop an enemy’s speed to 0. This also applies while they’re still 10′ away from you, meaning that unless they have a reach weapon, they can’t then make a melee attack against you.
Is Sentinel a feat?
The only way the Sentinel feat — even in conjunction with Polearm Master and/or Great Weapon Master — could ever be considered ‘broken’ is if the character who has it is fighting a single, melee-only enemy that has a standard 5-foot reach in an open field.
How many feats do you get in 5e?
There is no hard limit to the number of feats a character has, but it’s limited by your classes ASIs (unless using a variant race/given by the DM).
When does a Sentinel feat go against a feat?
I would summarize it so: Sentinel works when someone provokes an attack of opportunity + it negates disengage action’s ability to avoid attacks of opportunity. Any other means of leaving the space without provoking attacks of opportunity are not covered by Sentinel.
When does the bonus attack of the Sentinel feat take place?
According to the sage advice compendium it is after: Does the attack granted by the third benefit of the Sentinel feat take place before or after the triggering attack? The bonus attack takes place after the triggering attack.
What are the benefits of a Sentinel DND 5e feat?
As a Sentinel DnD 5E Feat you’ve become mastered in some techniques to take an advantage of every drop in any of the enemy’s guard and of course you can gain the below mentioned benefits: Whenever you make to hit the creature by an opportunity attack and also the creature’s speed can become 0 for rest of the turn.
What’s the difference between opportunity attack and Sentinel feat?
Here’s why: the feat doesn’t specify the bonus attack’s timing, and when a reaction has no timing specified, the reaction occurs after its trigger finishes (DMG, 252). In contrast, an opportunity attack specifically takes place before its trigger finishes—that is, right before the target creature leaves your reach (PH, 195).
