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Invasion plans
This article has a strategy guide here.
All information on mechanics and strategy will be on this page.
Release date 13 March 2014 (Update)
Members? Yes
Combat level 470
Always drops Big bones
I wouldn't want to eat his Porridge.
Combat info
Hitpoints 255
Aggressive Yes
Poisonous No
Max hit 60
Weakness Slash
Attack Styles
Magic, Melee (crush)
Slayer-icon Slayer info
Slayer level 1
Slayer XP 312
Category Boss
Assigned by
Turael chatheadMazchna chatheadNieve chatheadDuradel chathead
Combat-icon Combat stats
Attack-icon Strength-icon Defence-icon Ranged-icon Magic-icon
350 370 440 1 1
Attack-icon Aggressive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+0 +0 +0 +0 +0
Defence-icon Defensive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+135 +104 +175 +900 +230
Other bonuses Immunities
Strength-icon RangedStrength-icon Attack-icon Poison hitsplat Venom hitsplat
+0 +0 +0 Immune Immune
Attack speed
Monster attack speed 6

Callisto is an enormous bear that resides south of the Demonic Ruins, and is notable for being the only monster to drop the Tyrannical ring. When fighting him, Protect from Melee is recommended, along with standing within melee distance due to his powerful special attack, which cannot be avoided, and can deal up to 60 damage. The attack is used more frequently if you are standing further away from Callisto. He may also send players flying backwards by sending forth a roar. The knockback does 3 damage every time, and will briefly prevent you from being able to eat food. The knockback has an area of effect, so nearby players will also be sent back along with his current target if they are next to him. Callisto can also heal himself, which is indicated by a red blast that will appear under him; upon his next attack, Callisto will heal a small amount of hitpoints, based on the damage he dealt.

The most convenient way of getting to Callisto is to use the Annakarl teleport tablet, purchased from the Bounty Hunter Store, or 2 law and 2 blood runes to cast Annakarl Teleport, an Ancient Magicks spell requiring level 90 in Magic. However using a waka canoe from Edgeville (requires level 57 Woodcutting and an axe) is also a viable method.

Players who intend on fighting Callisto should only bring items that they do not mind losing.



Item Quantity Rarity GE market price
Big bones Big bones 1 Always 290


Item Quantity Rarity GE market price
Rune pickaxe Rune pickaxe 1 Common 20,827
Rune 2h sword Rune 2h sword 1 Uncommon 41,376
Dragon pickaxe Dragon pickaxe 1 Rare (1/256) 3,104,952
Dragon 2h sword Dragon 2h sword 1 Rare (1/256) 160,167
Tyrannical ring Tyrannical ring 1 Rare (1/512) 4,403,904


Item Quantity Rarity GE market price
Soul rune Soul rune 250 Uncommon 35,000
Death rune Death rune 300 Uncommon 98,700
Chaos rune Chaos rune 400 Uncommon 40,000
Blood rune Blood rune 200 Uncommon 47,000


Item Quantity Rarity GE market price
Herb seed 5 Snapdragon seed 3 Uncommon 91,842
Herb seed 5 Ranarr seed 5 Uncommon 123,195
Yew seed 5 Yew seed 1 Rare (1/128) 59,835
Magic seed 5 Magic seed 1 Rare (1/128) 130,762
Palm tree seed 5 Palm tree seed 1 Rare (1/128) 62,513


Item Quantity Rarity GE market price
Dark crab Dark crab 8 Common [1] 11,392
Super restore (4) Super restore (4) 3 Common [1] 25,803


Item Quantity Rarity GE market price
Coins 10000 Coins 12,000–20,000 Common Not sold
Uncut ruby Uncut ruby 20 (noted) Uncommon [2] 41,860
Uncut diamond Uncut diamond 10 (noted) Uncommon [2] 38,880
Coconut Coconut 60 (noted) Uncommon 24,000
Supercompost Supercompost 100 (noted) Uncommon 55,100
Crushed nest Crushed nest 75 (noted) Uncommon 421,725
Cannonball Cannonball 250 Uncommon 48,500
Magic logs Magic logs 100 (noted) Uncommon 108,900
Mysterious emblem Mysterious emblem 1 Uncommon (1/12)[3] Not sold
Limpwurt root Limpwurt root 50 (noted) Uncommon 21,200
Red dragonhide Red dragonhide 75 (noted) Uncommon 226,425
Mahogany logs Mahogany logs 400 (noted) Uncommon 125,600
Uncut dragonstone Uncut dragonstone 1 Rare (1/128) 19,260
Grimy toadflax Grimy toadflax 100 (noted) Rare (1/128) 236,800
Dark fishing bait Dark fishing bait 375 Rare (1/128) 32,250
Clue scroll (elite) Clue scroll (elite) 1 Rare (1/100) Not sold
Callisto cub Callisto cub 1 Very rare (1/2,000) Not sold
  1. 1.0 1.1 8 dark crabs are dropped along with 3 super restore (4)
  2. 2.0 2.1 20 uncut rubies are dropped along 10 uncut diamonds
  3. Only dropped while on World 318


  • Callisto is named after one of the Greek god Zeus' many lovers, who was turned into the constellation Ursa Major.
  • Before mid-March 2014, players could safespot Callisto using the Trident of the seas with the "Longrange" option behind a cluster of skeletons. This has since been patched and the cluster has been removed.
  • Callisto is the name of one of Jupiter's moons.
  • His examine text is a reference to Goldilocks and the Three Bears.

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