Nitro Boosts

Nitro Boosts is an engineer-only permanent "enchant" to the engineer's belt. It will give a 5 second speed increase every 3 minutes. The actual speed increase is 150%, which is 50% more than an epic ground mount.

It can only be applied to a belt in the engineer's inventory, and applying it will cause the belt to become soulbound. The tinker stacks with.

Rocket Fuel Leak
This tinker has the possibility of a fuel leak, resulting in debuff that deals 80% of the engineer's health in damage over 8 seconds. Prior to this change, it would either launch the engineer into the air and provide a slow-fall buff on the way down, or deal 120% of the engineer's maximum health in damage, killing them instantly.