Superior slayer monster

The RuneScape Wiki also has an article on: rsw:Elite monster

A player fighting a Nechryarch within the Catacombs of Kourend.

Superior slayer monsters are more powerful versions of normal slayer monsters that have a 1/200 chance to spawn upon the death of one of its normal counterparts, provided the death of the normal monster occurs in a location that can fit the superior creature. This latter condition is only relevant for superior creatures that are larger than their normal counterparts. They can be encountered after purchasing the unlock Bigger and Badder for 150 Slayer reward points from any Slayer master, and will only occur while on a Slayer task. This can be toggled on and off afterwards without loss of points.

When a superior slayer monster spawns, a message will appear in the chatbox, stating "A superior foe has appeared..." Killing a superior slayer monster will reward players with a generous amount of Slayer experience — for most, but not all of them, this is about ten times the Hitpoints of the superior monster. This experience will even be granted if the superior monster is slain after the completion of the corresponding Slayer task. Other players cannot slay a superior slayer monster that has been spawned for you.

Once a superior slayer monster has spawned it is only attackable by the spawning player. A superior monster will despawn in two minutes if the player stays in the vicinity and does not attack it, or less than 30 seconds if they leave the area. Should the player die while fighting it or teleport away, the monster will despawn soon after.

In addition, once one has appeared, another one will not spawn for that player until it is killed or despawns. In single combat areas, a superior slayer monster can be attacked even if you are under attack by another monster; when this happens, the standard monster will stop attacking you. In multicombat areas, it is possible for multiple superior slayer monsters to appear simultaneously if multiple monsters are killed at the same time.

Drops

Superior slayer monsters kills give three rolls on their lesser counterpart's drop table. They are also guaranteed to drop an ensouled head (if applicable), dark totem pieces (when killing one within the Catacombs of Kourend) and crystal shards (when killing one within the Iorwerth Dungeon). Players are also ten times more likely to receive a clue scroll from killing one. In addition, superior slayer monsters have four unique drops shared among all superior slayer monsters:

• Imbued heart, which boosts the player's Magic level by 1 + 10% of your Magic level every seven minutes.
• Dust battlestaff, which when equipped provides an infinite amount of air and earth runes.
• Mist battlestaff, which when equipped provides an infinite amount of air and water runes.
• Eternal gem, which can be crafted into an eternal slayer ring.

Drop rate

The chance of rolling either of the two unique drop tables (UDT) is ${\frac {1}{200-{\frac {(SlayerReq+55)^{2}}{125}}}}$

The first UDT contains the imbued heart, dust battlestaff and mist battlstaff. The second UDT contains only the eternal gem.

If the players rolls the first unique drop table, there is then a 1/8 chance of receiving an imbued heart, and a 7/16 chance each of receiving one of the battlestaves. If the player rolls the second unique drop table, there is a 1/8 chance of receiving an eternal gem, and a 7/8 chance of receiving nothing.

Thus, the formula of receiving any unique drop is ${\frac {9}{8(200-{\frac {(SlayerReq+55)^{2}}{125}})}}$

The formula of receiving an imbued heart or eternal gem is ${\frac {1}{8*(200-{\frac {(SlayerReq+55)^{2}}{125}})}}$

And the formula of receiving a dust or mist battlestaff is ${\frac {7}{16*(200-{\frac {(SlayerReq+55)^{2}}{125}})}}$

Monsters

There are superior versions of the following monsters:

Level	Normal variant	Superior variant	Image	Combat level	Hitpoints	Unique mechanics	UDT	Slayer XP
5	Crawling Hand	Crushing hand		45	55	No	1/171.2	550
10	Cave crawler	Chasm Crawler		68	64	No	1/166.2	600
15	Banshee	Screaming banshee		70	60	No	1/160.8	610
15	Twisted Banshee	Screaming twisted banshee		144	220	No	1/160.8	2200
20	Rock slug	Giant rockslug		86	77	No	1/155	770
25	Cockatrice	Cockathrice		89	95	No	1/148.8	950
30	Pyrefiend	Flaming pyrelord		97	126	No	1/142.2	1250
30	Pyrelord	Infernal pyrelord		134	184	No	1/142.2	1840
40	Basilisk	Monstrous basilisk		135	172	No	1/127.8	1700
45	Infernal Mage	Malevolent Mage		162	172	No	1/120	1750
50	Bloodveld	Insatiable Bloodveld		202	380	No	1/111.8	2900
50	Mutated Bloodveld	Insatiable mutated Bloodveld		278	411	No	1/111.8	4100
52	Jelly	Vitreous Jelly		206	190	No	1/108.4	1900
52	Warped Jelly	Vitreous warped Jelly		241	220	No	1/108.4	2200
55	Turoth	Spiked Turoth		244	195	No	1/103.2	1998
58	Cave horror	Cave abomination		206	130	No	1/97.8	1300
60	Aberrant spectre	Abhorrent spectre		253	275	No	1/94.2	2500
60	Deviant spectre	Repugnant spectre		335	390	No	1/94.2	4085
60	Basilisk Knight	Basilisk Sentinel		358	550	Yes	1/94.2	5590
62	Wyrm	Shadow Wyrm		267	320	No	1/90.5	3120
65	Dust devil	Choke devil		264	300	No	1/84.8	3000
70	Kurask	King kurask		295	420	No	1/75	2767
75	Gargoyle	Marble gargoyle		349	270	Yes	1/64.8	3044
80	Nechryael	Nechryarch		300	320	Yes	1/54.2	3280
	Greater Nechryael
84	Drake	Guardian Drake		386	630	Yes	1/45.4	7245
85	Abyssal demon	Greater abyssal demon		342	400	Yes	1/43.2	4200
90	Dark beast	Night beast		374	640	Yes	1/31.8	6462
93	Smoke devil	Nuclear smoke devil		280	240	No	1/24.7	2400
95	Hydra	Colossal Hydra		309	750	Yes	1/20	8625

Changes

Date	Changes
23 July 2020 (update)	Superior variants of Drakes, Hydras, Turoths & Wyrms were added.
23 February 2017 (update)	All superior creatures except Marble Gargoyle were graphically updated to be more distinct from their normal counterparts.