P.N.E.U.M.O.N.O.U.L.T.R.A.M.I.C.R.O.S.C.O.P.I.C.S.I.L.I.C.O.V.O.L.C.A.N.O.C.O.N.I.O.S.I.S.

(Powerful Non-Explosive Ultra Maniacally Overpowered Not Official Unexpectedly Lousy Rare Terrifying Aggressive Manly Indestructible Cruelly Ruling Over Seven Centillion Over-Powered Identical Cruise, Simply Irritatingly Light Impossible Crazy Omega Volcanic Lively Illusion Capital Aircraft, Never Own-able, Carrying One Nonillion Inflammable Old Super Insane Stones) is a Blimp with 4500 Health. It is immune to Fire and Explosions. When popped, it will spawn 8 Ceramic Bloons and it will spread lava in a 225px range, dealing 1 damage on collision per 100 millisecond.  In case you wanna know the actual size of the lava explosion, here.

Eruption
Covers a range of the screen same as the range at the right with smoke for 15 seconds, then randomly fires 5 fireball at towers, dealing 3hp damage, and have a 50% chance to be burnt. Cooldown: 25 second

Spread the disease
Makes at most 15 towers in a 750px range, making them have Pneumonoultramicroscopicsilicovolcanoconiosis. Cooldown: 1 minute

Trivia

 * This page has a lot of HTML Comments.
 * The page is forced to be source mode because of the range.
 * This page, if no user challenged me, should be the longest Abbreviation ever.