(Modified) Frenzied Agasnon is the main boss in the Heart of Chaos raid event. It has 15 different levels, each increasing in HP from 68,000 to 1,000,000. Players have the normal 2 hour time limit to kill it before the boss disappears.
Quote: "Enemyyyyy scummmm! Youuuu will diiiiiiiie in the naaaaame of the Empirrrrrre!"