Apocalyptic Beast

[Dark Dragon, top NM for Dynamis-Buburimu. Uses all 2-Hours from the 15 Jobs and all Dragon TP abilities. Slaying the Dark Dragon NM which spams that ability will disable that ability in Apocalyptic Beast. Slaying a Beastman NM with the appropriate Job will disable that 2-Hour in Apocalyptic Beast.

From what I gathered from forums and livejournal posts regarding this Dynamis: There are 10 Dark Dragon NMs for each of the 10 abilities of that type of enemy:

Stihi- Flame Breath

Vishap- Poison Breath

Jurik- Wind Breath

Barong- Body Slam

Tarasca- Heavy Stomp

Alklha- Chaos Blade

Basilic- Petro Eyes

Aitvaras- Void Song

Koschei- Thorn Song

Stollenwurm- Lodesong

Historical Background
In Christian belief, this refers to a giant beast seen in the final book of the New Testament, Revelations. It is a dragon with 7 heads, and 10 horns, each horn with a crown on it. It had the number 666 on one of its heads. This Beast emerged from the sea. The Beast of the Apocalypse was considered one of three beings forming an unholy trinity, the others being the False Prophet and the Dragon (Satan).

A note on apocalypse: while the word is usually used in the context as being a religious-themed doomsday, the equivalent of Ragnarok for Christianity, the word is a Greek word (the language of the New Testament) referring to an unveiling of something hidden (a revelation basically).