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• New weapon ego: Slay Spell Casters

KhymChanur: A new type of slay, Slay Spell Casters:

• Gives ESP for spell casting monsters.
• Does extra damage against them.
• Every time it hits a spell caster, it prevents them from casting any spells for a short amount of time (non-cumulative).
• Might improve saving throws.
• Drains mana.

In 3.0.0, I assume that Amulets of Anti-Magic are simply going to boost the anti-magic skill, so this would be a way of fighting against spell casting monsters without interfering with your own magic use (except for the mana drain).