Inaccurate?

Overcome Shadow Weave

( Champions of Valor, p. 33)

[General]

You understand the strengths and weaknesses of the Shadow Weave and are more resistant to its tricks.

Prerequisite

Knowledge (arcana) 5 ranks, Spellcraft 5 ranks, spellcaster who uses the Weave,

Benefit

You get a +5 bonus on caster level checks to detect, counterspell, and dispel Shadow Weave effects. You get a +1 bonus on Will saving throws against Shadow Weave effects.