Old School RuneScape Wiki
Old School RuneScape Wiki
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Vulnerability is a level 66 Magic spell. When cast on an opponent, their defence level is reduced by 10%. The spell gives 76 Magic experience per cast and requires 1 Soul, 5 Earth, and 5 Water runes to be cast. The spell can only be cast if his stats haven't already been lowered, meaning you cannot stack stat reduction with multiple spells in a row.

Remember, you cannot use Ancient Magicks or Lunar spells if you are using standard spells.

Cost[]

Spell cost
InputCost
5Water rune5Earth rune1Soul rune186
Combo runes
5Water rune1Soul rune5Dust rune186
1Soul rune5Mud rune1,361
5Water rune1Soul rune5Lava rune186
5Earth rune1Soul rune5Steam rune506
5Earth rune1Soul rune5Mist rune976
Staves
5Earth rune1Soul runeStaff of water166
5Water rune1Soul runeStaff of earth166
5Earth rune1Soul runeMist battlestaff166
5Earth rune1Soul runeKodai wand166
5Water rune1Soul runeDust battlestaff166
1Soul runeMud battlestaff146
5Water rune1Soul runeLava battlestaff166
5Earth rune1Soul runeSteam battlestaff166


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