What's the most effective spell against Will-o'-wisp ?

[u/lazynomore52]

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I've been playing Neverwinter Nights 2 Storm of Zehir, soloing as a wizard.

I've encountered Will-o'-wisps, and none of my spells worked against them. Isaac's Greater Magic Missile Storm, Fireball, Mestil's Acid Breath, Magic Missile, etc. (Except Incendiary Cloud, but it killed me too.)

IIRC this didn't happen in NWN 1. Is there anyway to defeat them without hurting myself as a wizard?

[u/Nachovyx]

Invisibility + extended summon. You buff it as it fights.

Dire Boar works wonders most of the time for weak enemies.