Gleason's Gielinor Guide

Superior Demonbane

Released		16 June 2021 (Update)
Members		Yes
Level		62
Spellbook		Arceuus
Type		Combat
Experience		36
Base max hit		23
Runes		⁵ ¹
Casting speed		5 ticks
Quest		A Kingdom Divided
Description		Hits a demon for moderate damage
Animation

Sound effect

Superior Demonbane is a spell within the Arceuus spellbook that requires level 62 Magic and the completion of A Kingdom Divided to be cast. This spell has a base max hit of 23, but can only be cast on demonic creatures.

By default, demonbane spells have an accuracy bonus of 20%, but can be doubled to 40% when the Mark of Darkness spell is active, which additionally gives a 25% damage bonus. If attacking with a purging staff, this is further doubled to an 80% accuracy and 50% damage bonus when under the effects of the Mark of Darkness. All of these bonuses are calculated after the player's own magic damage bonuses from their equipment.

Damage

Calculator

module = Magic damage calculator form=MagicDamageCalc result=MagicDamageResults name = param = spell|Spell|Superior Demonbane|hidden|Superior Demonbane param = magicStrength|Visible % Magic strength|0|number|-80-100 param = specialModifier|Special modifiers|None|select|None,Slayer helmet (i),Salve amulet (i),Salve amulet (ei),Amulet of avarice (Revenants)|Amulet of avarice (Revenants)=haveForinthrySurge param = haveForinthrySurge|Have Forinthry Surge|false|check|||Forinthry Surge is a buff acquired by defeating the Revenant maledictus while wearing an Amulet of avarice param = weapon|Weapon effect|None|select|None,Thammaron's sceptre (Wilderness),Accursed sceptre (Wilderness),Purging staff param = castMarkOfDarkness|Mark of Darkness|false|check param = demonType|Demon Type|Non-demon|select|Non-demon,Duke Sucellus,Regular Demon,Ice Demon,Yama,Void Flare (Yama) autosubmit = disabled

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Maximum hit
Level	Base max hit	Prayer used
Level	Base max hit	None
62	23	23	23	23	23	23

Cost

Spell cost
Input	Cost
⁵ ¹	416
Combo runes
¹ ⁵	541
⁵ ¹	827
¹ ⁵	721
¹ ⁵	886
Main-hands
¹ _Alt	391
^4.29 ^0.86 _Alt	358
^4.25 ^0.85	353
Main and off-hands
¹	391
¹	391
^0.86 _Alt	337
^0.86 _Alt	337
^0.85	332
^0.85	332

Changes

Date	Changes
22 May 2025 (Update)	The fire rune cost to cast the spell has been reduced from 8 to 5.
30 June 2021 (Update)	Demonbane spells now have a 20% accuracy bonus, increasing to 40% for demonic creatures under the effects of the Mark of Darkness spell.

Damage

Calculator

Cost

Changes

Sources & credits