In Tiny Tina's Assault on Dragon Keep DLC, if you befriend one of the Pixies in The Forest of Being Eaten Alive by Trees, it will start buffing you, including speed buffs and damage buffs
How to befriend Pixie[edit]
To befriend the Pixie, you need to "Catch" her, by getting really close to her and pressing the "use" button.
But be careful not to shoot at the Pixie or it will become your enemy and try to kill you
