# Mobile > [!info] Feat Details > | | | > |---|---| > | **Source** | Player's Handbook (2014) | > | **Categories** | Buff, Movement | --- ## Description You are exceptionally speedy and agile. You gain the following benefits: - Your speed increases by 10 feet. - When you use the Dash action, difficult terrain doesn't cost you extra movement on that turn. - When you make a melee attack against a creature, you don't provoke opportunity attacks from that creature for the rest of the turn, whether you hit or not.