Vorago

Vorago is a gigantic, rocky and extremely powerful boss monster created by the Anima Mundi, or as he refers to it, the "earth soul", billed as the toughest boss monster in RuneScape. He is an ancient being and used to cause chaos in the past, but was defeated and went into a slumber. Towards the end of the Fifth Age, he reawoke, now much friendlier.

Vorago is found in the Borehole, a large cave north of Falador, and wishes to test his strength against challengers in order to prepare to defend Gielinor against future threats, such as the gods, should he deem them as such. He was defeated long ago by a powerful weapon known as the maul of omens after using his power to destroy, but has since reformed, although he is more passive now.

If challenged, Vorago uses five stages of increasingly high-hitting attacks that change on a weekly basis. Rewards include level 90 magic equipment - materials needed to make tectonic armour - and the seismic wand and seismic singularity.

Using the maul of omens to finish him off is a requirement for trimming the completionist cape.

Location
Vorago is located in the cave just north of Falador, east of Doric's hut. The fastest way to get there is by teleporting to the Falador lodestone and running north, past the statue of Saradomin, or simply use Falador Teleport (or, of course, the teletab version).

Starting a fight
There are two distinct ways to start a fight with Vorago - with or without an instance.

With an instance, you can pay 1,000,000 coins per hour, up to a maximum of four hours, to start your own fight, similar to how the God Wars Dungeon instances work. You can set the number of people allowed in the instance (from 1 to 50 players), the minimum combat level allowed to enter the instance, and an optional entry key that other players can use to enter the instance privately.

You could also use the one non-instanced Vorago spawn on each world, which costs nothing but is open to anyone. If Vorago's head is not visible (hence a rocky look on the wall), it means that a team is currently fighting him. If his head can be seen, he is not in a fight.

Once inside the cave, there's a series of chasms that can be jumped across to go to the northern area. Talk to Vorago, and go through all the choices that involve why he is here and challenging him. Once these are done, two coloured messages should show up saying that you are now eligible to fight Vorago.

Upon taking the challenge from Vorago, all nearby players will be given the option if they will want to fight with you or not. After 20 seconds, he unleashes a blast of 50,000 damage which is split between all players who accepted his challenge. Players who do not accept the challenge will not be harmed by the blast.

Fight overview
In order to defeat Vorago, players must assemble the weapon that originally defeated him, the maul of omens, the pieces of which are inside his body, and are dropped during the fight during stages 1, 2 and 4. Only with this item in one player's inventory will Vorago be able to be defeated. The method of fighting Vorago changes somewhat every week, resetting on Wednesday.

Hard mode
The hard mode option for Vorago is unlocked after a player performs the finishing blow on Vorago with the Maul of Omens on all four of the weekly Vorago rotations (Scopulus, Vitalis, Rock fall and Green orb). You can see which conditions you lack by reading the sign near the entrance to the borehole.

After a player starts an instance in hard mode, other players can enter it, although only the one who started the instance can actually initiate the fight.

Unlike normal mode, entering a fight in hard mode requires players to survive a hit of 75,000 damage as opposed to 50,000. In hard mode, Vorago is more difficult, and spawns a barrage of red bombs upon entry. He has 8 phases, with all versions of phase 3 there as separate phases. He is also capable of killing summoning familiars when he does his stomp attack.

If killed in hard mode, he has a greatly increased chance of dropping tectonic energy and seismic equipment.

Unique

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Charms
Vorago drops 1-5 sets of 5 charms. The following percentages are calculated per set of charms dropped.

Other items

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Trivia

 * Vorago is an English word, derived from Latin, meaning abyss, chasm, or gulf.
 * A bug allowed players who died at Vorago to duplicate any item that they wanted. The player would die to the blast, and when they came back to their grave, there would be two graves with the same items instead of one. This bug has since been patched.
 * There seems to be a glitch/bug where that if the player accepts the challenge but moves away from the crevice in front of Vorago, they will be dealt with the damage yet be unable to join the fight.
 * Vorago is loosely based on the living rock creatures, as Mod Chris L says. He took the model for one of them, blew it up to immense size, and went from there.
 * It is possible to survive Vorago's 50k hit solo via the use of Warpriest armour, although Vorago will still refuse to allow you to fight him without another 4 players.
 * Using the best armour, it would take 5 people to survive the 50k hit (with portents of restoration).
 * Hard mode was coded during the developers' lunch breaks.
 * Nobody at Jagex was actually able to defeat Vorago in hard mode through legitimate means before it was released and defeated by players.
 * In hard mode, Vorago has 2,000,000 lifepoints, the most of any monster excluding the Party Demon. Vorago's normal mode has 1,250,000 lifepoints, which surpasses any monster that can be fought without changing the difficulty minus the party demon.
 * After killing Vorago, the Adventurer's Log will say: "I killed a monsterous entity, Vorago."
 * Killing more then one Vorago results in the Adventurer's Log saying: "I killed # monsterous entities of the Earth, the constantly reforming Vorago."
 * Attempting to talk with Vorago while he is fighting a party will result in the game message "There doesn't seem to be anything there right now but you feel the earth shake throughout the cave."
 * Despite this, Vorago's head can still be seen if you zoom in and look at his perspective.
 * Vorago has the longest death animation out of any boss, lasting for about 15 game ticks.
 * If the player(s) are pushed off during the final phase for Vorago, the player simply gets "pushed off" the cliff and into the water, with the "Instant kill" hitsplat that was originally from the Deathtouched darts appearing. Even though you get pushed off, Vorago does not have any animation when he pushes you off the land. Along with this, Vorago will still try to target the players even though they are already dead, rather then wandering around.