Complex sentence: The battle culminates when Wolverine orders Archangel to take out Stryker, shifting into the "Death" persona and slices Stryker in half at the waist with his wings.
Split into simpler sentences: The battle culminates when Wolverine orders Archangel to take out Stryker. Warren shifts to his "Death" persona and slices Stryker in half at the waist with his wings.