Burny Stuff

Info
Burny Stuff is an upgrade for the Mortar Tower that leaves bloons on fire for 6 seconds. Every 2 seconds, one layer gets popped. If a Bloon gets hit while the Burny Stuff upgrade is activated, the Bloon will be on fire for 6 seconds.

Tower looks
The tower upgraded to the Burny Stuff upgrade looks like the original Mortar Tower except with a fiery design

on it.

Upgrade info
The upgrade costs:

$430/$500/$540

The picture on the upgrade is a mortar shell on fire.

This is the second upgrade on the second path.

Trivia

 * The Burny Stuff tower look is the same as the second update on the first path for the Mortar Tower.