From Guild Wars 2 Wiki
After completion: Use your roller beetle's boost ability to smash through marked blockades and destroy volatile crystals. Recover endurance when your beetle collides with walls at high speed.
— In-game description
- This is a Roller Beetle mastery.
- Use this skill by allowing your endurance meter to get to full and using the assigned key for conditional jumping.
- For more information, see the table on the mounts article.