Ultra Grenade

The Ultra Grenade is a new grenade that is unlocked after completing tier 3 of the grenade Fest or spending Store credits (actual money) to get five Ultra grenades. Also, by buying the Anti Explosive bundle, will award 75 of these things.

Advantages/Strategy
Ultra Grenades are just like super grenades but their slightly stronger being able to kill players in a single hit depending on how much armor their equipped with either around 15% or 30%. The description also says that it has a long reach.

The Ultra Grenade May resemble the real life grenade called the "Stielhandgranate" used in World War II

Disadvantages
One time only and if the player has a bad spending habit then suspect the tax collector to come within weeks.

Trivia

 * These Ultra Grenades resembled the German Stielhandgranate that is used during World War 2. Also they resembled the prototype of the Stielhandgranate, the Chinese Stick Grenade.
 * The model of the grenade probably makes the grenade has a long reach. In real life, the Stielhandgranate and Chinese Stick Grenade is also known to be easy to be thrown in a really far range.