Instakill

Instakill (also Insta-kill) is an attack behavior characterized by instantly destroying a bloon, including all layers inside, regardless of bloon health. It is part of the damage types family. Only a few attacks can instakill, and of those only a few can instakill blimps.

Instakill is represented on Bloons Wiki as, the upgrade artwork for Druid of the Jungle in Bloons TD 6, due to its cheap but unique property of such. The blimp-specific variant is Instakill Blimp, the upgrade artwork for Monkey Pirates, which can only instakill blimps and is the classic example of such. It is distinguished by Extra Damage and its subsets because Instakill kills all bloons and every descendent underneath. In the case of blimps, it is distinguished from Downgrade Layer because Downgrade Layer only guarantees skipping the current layer, including MOAB-class, while Instakill guarantees destroying the blimp in its entirely, children and all.

Typical examples of instakill include Druid of the Jungle, Monkey Pirates, Bloon Trap, and Psi. Ezili's MOAB Hex is considered an instakill in practical gameplay, since it is a status effect that involves an eventual instakill, but it is not a true Instakill. Similarly, Bloon Master Alchemist is considered an Instakill in practical play, but as its own Red Bloon Transform due to how it is not technically an Instakill but is categorized as such due to it practically is one. A lesser known example of instakill, is the Legend of the Night's Black Hole ability, which has the unique power to instakill up to and including BADs.

Simply dealing very high damage to obliterate MOAB-class bloons does not count as Instakill Blimp, but rather as just a high value of Extra Damage plus Penetrates Blimp. Ground Zero and Tsar Bomba abilities can penetrate damage through MOAB-class bloons, but these are technically not instakill. In a case where MOAB-class bloons may theoretically have infinite health, neither can pop even the bare layer of any MOAB-class bloon.

Almost all towers require an upgrade to instakill, although the Bloons TD 6 Hero Psi and the Bloons Adventure Time TD allies Abracadaniel and Grassy Wizard can instakill bloons at their base.

All non-boss bloons are vulnerable to some variant of Instakill except for the Big Airship of Doom (and Golden Bloon in BTD6), with five major exceptions. In Bloons TD 6, Level 20 Ezili's MOAB Hex, the Legend of the Night's Black Hole Ability, and Navarch of the Seas' Claw ability (as of Bloons TD 6 Update 29.0) can instakill BADs. In Bloons Adventure Time TD, the Dimension Disruptor power and Abraham Lincoln's Penny instakill everything on the screen when a fatal leak occurs, BADs included.