At 5th level, the spell warrior gains increased versatility when attempting to counteract enemy spellcasting. When counterspelling, he can expend two skald spell slots of the same level or higher than the opponent's spell, regardless of the school of that spell.
At 11th level, when counterspelling an opponent's spell, the spell warrior has to expend only one skald spell slot of the level of the spell being cast.
At 17th level, the spell warrior gains Parry Spell as a bonus feat. The skald does not have to meet the prerequisites for this feat.
This ability replaces spell kenning.