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Vulnerability icon (mobile).png

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 their stats haven't already been lowered, meaning you cannot stack stat reduction with multiple spells in a row.

Cost[edit | edit source]

Spell cost
5Water rune.png5Earth rune.png1Soul rune.png201
Combo runes
5Water rune.png1Soul rune.png5Dust rune.png206
1Soul rune.png5Mud rune.png931
5Water rune.png1Soul rune.png5Lava rune.png196
5Earth rune.png1Soul rune.png5Steam rune.png501
5Earth rune.png1Soul rune.png5Mist rune.png601
5Earth rune.png1Soul rune.pngStaff of water.pngAlt176
5Water rune.png1Soul rune.pngStaff of earth.pngAlt176
1Soul rune.pngMud battlestaff.png151
Main and off-hands
5Earth rune.png1Soul rune.pngTome of water.png176
1Soul rune.pngStaff of earth.pngAltTome of water.png151