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
Melee (crush)
Slayer-icon Slayer info
Slayer level 1
Slayer XP 312
Category Boss, Bear
Assigned by
Turael chatheadKrystilia 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 and the Callisto cub.

When fighting Callisto, the player should activate Protect from Melee and go into melee distance. Callisto has a powerful shockwave attack that cannot be avoided, dealing up to 60 damage each time he uses it. As he primarily uses melee, he will use this attack far more frequently if no one is within melee distance of him. The projectile of this attack resembles the King Black Dragon's freezing breath. Callisto can also roar at his current target (and those next to them), causing them to be launched away from him as well as 3 damage. Players are unable to eat when they get launched, and Callisto tends to use his shockwave attack afterwards.

Callisto is immune to Magic damage, although spells such as Vulnerability will still affect him like normal.

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, as well as using a Games necklace to the Corporeal Beast.

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 213


Item Quantity Rarity GE market price
Rune pickaxe Rune pickaxe 1 Common 18,949
Rune 2h sword Rune 2h sword 1 Uncommon 37,912
Dragon pickaxe Dragon pickaxe 1 Rare (1/171) 3,307,058
Dragon 2h sword Dragon 2h sword 1 Rare (1/256) 140,525
Tyrannical ring Tyrannical ring 1 Rare (1/512) 3,762,970


Item Quantity Rarity GE market price
Soul rune Soul rune 250 Uncommon 37,250
Death rune Death rune 300 Uncommon 66,300
Chaos rune Chaos rune 400 Uncommon 37,600
Blood rune Blood rune 200 Uncommon 40,600


Item Quantity Rarity GE market price
Herb seed 5 Snapdragon seed 3 Uncommon 122,976
Herb seed 5 Ranarr seed 5 Uncommon 172,230
Yew seed 5 Yew seed 1 Rare (1/128) 81,565
Magic seed 5 Magic seed 1 Rare (1/128) 185,841
Palm tree seed 5 Palm tree seed 1 Rare (1/128) 53,225


Item Quantity Rarity GE market price
Dark crab Dark crab 8 Common [1] 8,800
Super restore(4) Super restore(4) 3 Common [1] 27,480
  1. 1.0 1.1 8 dark crabs are dropped along with 3 Super restore (4).


Item Quantity Rarity GE market price
Coins 10000 Coins 12,000–20,000 Common Not sold
Mysterious emblem Mysterious emblem 1 Common (1/5)[1] 128,386
Uncut ruby Uncut ruby 20 (noted) Uncommon [2] 31,880
Uncut diamond Uncut diamond 10 (noted) Uncommon [2] 32,080
Coconut Coconut 60 (noted) Uncommon 6,600
Supercompost Supercompost 100 (noted) Uncommon 46,700
Crushed nest Crushed nest 75 (noted) Uncommon 242,700
Cannonball Cannonball 250 Uncommon 41,750
Magic logs Magic logs 100 (noted) Uncommon 111,000
Limpwurt root Limpwurt root 50 (noted) Uncommon 10,950
Red dragonhide Red dragonhide 75 (noted) Uncommon 175,350
Mahogany logs Mahogany logs 400 (noted) Uncommon 173,600
Looting bag Looting bag 1 Uncommon (1/30) Not sold
Slayer's enchantment Slayer's enchantment 1 Uncommon [3] 2,039
Clue scroll (elite) Clue scroll (elite) 1 Rare (1/100)[4] Not sold
Uncut dragonstone Uncut dragonstone 1 Rare (1/128) 18,259
Grimy toadflax Grimy toadflax 100 (noted) Rare (1/128) 259,900
Dark fishing bait Dark fishing bait 375 Rare (1/128) 1,500
Callisto cub Callisto cub 1 Very rare (1/2,000) Not sold
  1. Only dropped while on World 318 (unless on a slayer assignment given by Krystilia); tertiary drop.
  2. 2.0 2.1 20 uncut rubies are dropped along 10 uncut diamonds.
  3. Only dropped while on a slayer assignment given by Krystilia.
  4. 1/50 if a Ring of wealth (i) is worn.


  • Callisto is named after one of the Greek god Zeus' many lovers, who was turned into the constellation Ursa Major.
  • Upon release, Callisto had a slightly worse drop table. In addition, players could exploit his low Magic by safespotting him with the trident of the seas behind a cluster of skeletons north of him. The cluster of skeletons have been removed and Callisto is now immune to Magic damage.
  • 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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