Corporeal Beast

You have the option to create a private instance for this fight. On death, all unprotected items will be moved to a grave outside the instance. Any items left on the ground will be lost.

This article has a strategy guide. All information on mechanics and strategy will be on this page.

Corporeal Beast
Released								16 October 2014 (Update)
Also called								Corp
Members								Yes
Combat level								785
Size								5x5
Examine								A vision of supernatural horror.
Combat info
XP bonus								+55%
Max hit								33 (Melee) 65 (Magic) 51 (Stomp)
Aggressive								Yes
Poisonous								No
Attack style								Crush, Magic
Attack speed								4 ticks (2.4 seconds)
Respawn time								50 ticks (30 seconds)
Combat stats
2,000				320				320				310				350				150
Aggressive stats
+50				+0				+0				+0				+0				+0
Melee defence
+25								+200								+100
Magic defence
+150												10% weakness
Ranged defence
+230								+230								+100
Immunities
Poison								100% resistance
Venom								100% resistance
Cannons								Not immune
Thralls								Not immune
Open in DPS calculator
Advanced data
Monster ID								319
Link								MOID

The Corporeal Beast, often referred to simply as Corp, is a large monster residing in its lair, accessed via games necklace or an entrance in level 21 Wilderness. Due to its very high combat stats, it is often fought by groups of players. Unlike its RuneScape 3 counterpart, it has no quest requirements to access.

The Corporeal Beast is the only monster to drop the spirit shield, as well as the holy elixir and arcane, elysian, and spectral sigils, used to enhance the shield. In addition to its sigil drops, the Corporeal Beast has many other valuable drops. Unlike some other group bosses, only the player who dealt the most damage will receive kill credit and loot.

Players can pay 200,000 coins to open a group instance for their chat-channel via the private portal, excluding ironmen.

Location	Levels	Members	Spawns	Map	League region
Corporeal Beast's Lair (east of the Graveyard of Shadows or games necklace teleport)	785		1	Show map	Wilderness✓
Corporeal Beast's Lair (Ironman only)	785		1	Show map	Wilderness✓

The Corporeal Beast's Lair is located in level 21 Wilderness, although players can teleport directly there using a games necklace. This will take the player to a small safe room with a large doorway to Corporeal Beast.

Ironmen with a combat level of 90 or higher have a separated Corporeal Beast room. All other accounts use the normal room. This is to reduce griefing as well as prevent ironmen from using normal accounts to use stat-reducing special attacks.

The Corporeal Beast has a 50% damage reduction against any weapon that is not a Corpbane weapon on stab attack style. Although magic attacks also deal full damage, they are generally very inaccurate against the boss. Protect from Magic does not fully block its magic attacks; it only reduces the damage by 33%. The Corporeal Beast has very high accuracy and damage and attacks mostly with Magic.

While fighting the Corporeal Beast, there is a chance that the dark energy core will spawn. This creature leeches Hitpoints from any players adjacent to it to heal the Corporeal Beast and jumps to players if none are adjacent, and it can be significantly weakened by poisoning it. The Corporeal Beast also rapidly regenerates health when there are no players in the room.

The following money making guide is available for Corporeal Beast:

Drop rates are estimated based on 434,422 samples from the Drop Rate Project, unless otherwise cited.

The average Corporeal Beast kill, including its unique drops, is estimated to be worth around 385,499.00. Without the sigils, this value is estimated to be 137,595.00.

There is a 1/585 chance of hitting the sigil drop table. When players hit the table, there is a 1/7 chance of obtaining an elysian sigil, a 3/7 chance of a spectral sigil and a 3/7 chance of an arcane sigil.^[1] Below lists the effective drop rates of the sigils.

	Item	Quantity	Rarity	Price	High Alch
	Spectral sigil	1	1/1,365	26,082,970	450,000
	Arcane sigil	1	1/1,365	111,163,714	450,000
	Elysian sigil	1	1/4,095	603,430,511	450,000

	Item	Quantity	Rarity	Price	High Alch
	Mystic robe top	1	18/512	71,221	72,000
	Mystic robe bottom	1	18/512	47,260	48,000
	Mystic air staff	1	12/512	24,809	25,500
	Mystic water staff	1	12/512	24,871	25,500
	Mystic earth staff	1	12/512	24,922	25,500
	Mystic fire staff	1	12/512	24,785	25,500
	Spirit shield	1	8/512[2]	83,040	42,000

	Item	Quantity	Rarity	Price	High Alch
	Soul rune	250	32/512	95,000	45,000
	Runite bolts	250	24/512	23,750	45,000
	Death rune	300	22/512	55,500	32,400
	Onyx bolts (e)	175	20/512[2]	1,471,575	1,575,000
	Steel cannonball	2,000	17/512	544,000	6,000
	Adamant arrow	750	17/512	23,250	36,000
	Law rune	250	17/512	30,750	36,000
	Cosmic rune	500	17/512	62,000	15,000

	Item	Quantity	Rarity	Price	High Alch
	Raw shark	70 (noted)	21/512	50,260	7,140
	Pure essence	2,500 (noted)	21/512	5,000	5,000
	Adamantite bar	35 (noted)	18/512	64,785	13,440
	Green dragonhide	100 (noted)	18/512	159,300	8,100
	Adamantite ore	125 (noted)	17/512	67,500	30,000
	Runite ore	20 (noted)	12/512	204,500	38,400
	Teak plank	100 (noted)	12/512	73,900	30,000
	Mahogany logs	150 (noted)	12/512	23,250	4,500
	Magic logs	75 (noted)	12/512	57,300	14,400

	Item	Quantity	Rarity	Price	High Alch
	Tuna potato	30	20/512	44,070	2,010
	White berries	120 (noted)	17/512	78,360	720
	Goat horn	120 (noted)	17/512	4,800	840
	Watermelon seed	24	15/512[2]	5,616	792
	Coins	20,000–50,000	12/512	20,000–50,000	20,000–50,000
	Antidote++(4)	40 (noted)	10/512	361,960	8,640
	Ranarr seed	10	5/512	280,280	300
	Holy elixir	1	3/512[2]	859,536	450,000

There is a 12/512 chance of rolling the gem drop table, whereupon its contents are rolled 10 times.^[2]

	Item	Quantity	Rarity	Price	High Alch
	Nothing	N/A	10 × 1/85.49; Never[d 1]	N/A	N/A
	Uncut sapphire	1	10 × 1/170.67; 1/86.67[d 2]	228	15
	Uncut emerald	1	10 × 1/341.33; 1/173.33[d 2]	473	30
	Uncut ruby	1	10 × 1/682.67; 1/346.67[d 2]	1,087	60
	Nature talisman	1	10 × 1/1,820.44; 1/924.44[d 2]	268	2
	Uncut diamond	1	10 × 1/2,730.67; 1/1,386.67[d 2]	2,439	120
	Rune javelin	5	10 × 1/5,461.33; 1/2,773.33[d 2]	675	1,200
	Loop half of key	1	10 × 1/5,461.33; 1/2,773.33[d 2]	9,756	60
	Tooth half of key	1	10 × 1/5,461.33; 1/2,773.33[d 2]	9,887	60
	Rune spear	1	10 × 1/87,381.33; 1/5,200[d 2][d 3]	11,599	12,480
	Shield left half	1	10 × 1/174,762.67; 1/10,400[d 2][d 3]	65,355	66,000
	Dragon spear	1	10 × 1/233,016.89; 1/13,866.67[d 2][d 3]	38,438	37,440

	Item	Quantity	Rarity	Price	High Alch
	Clue scroll (elite)	1	1/200[d 1][d 2][3]	Not sold	12
	Jar of spirits	1	1/1,000	85,492	1
	Pet dark core	1	1/5,000[2]	Not sold	N/A

There are 5 Combat Achievement tasks (totalling 21 points) available for Corporeal Beast.

Name	Description	Type	Tier	Comp%
Chicken Killer	Kill the Corporeal Beast solo.	Restriction	Elite (4 pts)	9.8%
Hot on Your Feet	Kill the Corporeal Beast without anyone killing the dark core or taking damage from the dark core.	Perfection	Elite (4 pts)	10%
Corporeal Beast Veteran	Kill the Corporeal Beast 25 times.	Kill Count	Elite (4 pts)	10%
Finding the Weak Spot	Finish off the Corporeal Beast with a Halberd special attack.	Restriction	Elite (4 pts)	8.3%
Corporeal Beast Master	Kill the Corporeal Beast 50 times.	Kill Count	Master (5 pts)	7.8%

The Corporeal Beast was originally released on 15 September 2008 in RuneScape 2. However, there are several differences between the iteration of this boss in Old School RuneScape and the original in RuneScape.

• It could only be fought after completing the quest Summer's End. As the quests involving it are not present, no lore exists for the Corporeal Beast in Old School.
• The Corporeal Beast's lair was much larger, although it only resided in the last room. The entrance to the lair was also 14 Wilderness levels deeper than the one in-game.
• The original Corporeal Beast could drop a divine sigil, which could be used to create a divine spirit shield. Its effect was a constant 30% damage reduction per attack received, with 50% of that blocked damage instead drained from prayer points.
  • The divine sigil's addition to Old School RuneScape has been polled twice, on 18 September 2014 and 15 February 2019, failing to reach the 75% threshold of passing at 66.1% and 72.8% respectively.
• The original Corporeal Beast could drop the regen bracelet.
• The original Corporeal Beast was fought slightly differently by players. It boasted a higher maximum hit with melee of 51 instead of 33, as well as being vulnerable to poison. However, it would very quickly remove its poison unlike other monsters vulnerable to poison.

• The Corporeal Beast Steam Trading Card.

• Though not explained in Old School RuneScape, the boss's name originates from the Summer's End quest in RuneScape: as the Spirit Beast was defeated in the Spirit Realm, a mirrored version of Gielinor where everything is opposite to the physical world and vice versa, the Corporeal Beast was incarnated in the physical world to replace the Spirit Beast in the spiritual world.
  • Also explained in RuneScape is that the markings on the ground are the graves of the residents of Bonde Farm.
• The magic area-of-effect attack the Corporeal Beast uses was originally named [corp_sperm_splash] in the game's code, though it was renamed to [corp_magic_splash] on 28 October 2020.^[5] It was also changed from white to black in-game at some point in RuneScape.
• Pets cannot be brought into the Corporeal Beast's lair. Attempting to enter the cave while having one following the player will cause a message to appear in the chatbox, stating Your follower hides in fear and refuses to enter the cave. If the player attempts to drop their pet while inside, the chatbox will instead state Your follower hides in fear and won't come out. This is also a nod to RuneScape, where the Corporeal Beast is capable of eating Summoning familiars, which are also followers.
• Corporeal Beast had a festive override wearing a santa hat during the 2023, 2024, and 2025 Christmas events.