These bombs are used by Bo (purple), Moose (red), Snap (green), Freddie (blue) and Beebert (yellow). Their icons look like this:
Charging Fiend's Power
To charge Fiend's Special Power, simply collect blocks of that Fiend's corresponding color. You can see the charging progress right below your Fiend when you're drawing the chain:
Using the bomb
A Bomb's detonation range can pass through most of the indestructible obstacles in the game. Use it to reach goals hidden behind standard fences or blocks.
All colored Bombs can be moved along the chain of their corresponding color to adjust their position as shown here:
The range of the bomb grows together with your Fiend. Here's how X-Bomb's range increases*:
Fiend level 1:
Fiend level 5:
Fiend level 10:
Fiend level 15:
Fiend level 20:
* The pictures used in this article show the maximal potential range of the bomb and they don't represent any actual Best Fiends level.