Eclipse

The Eclipse is a random event, which causes the map to become severely darkened and spawns the Alien boss and a meteorite.

When you find the Alien, it will spawn with 4 coal rocks, 1 main Obsidian rock (being protected by a electric beam) and the Boss plus Aliens, with the Aliens have 100 hp each. When the Alien is killed, he drops Medipacks, Titanium, XP, and Coins. After killing the boss, the Obsidian is safe to mine.

Tips

 * 1) When looking for the boss, look around the volcano, as it has the highest chance of spawning there.
 * 2) The Boss is one of two bosses in the game, the other being the King of Darkness.