The Concordant Killer is a large, 10-11 foot tall outsider with scarlet skin and dusky feathered wings. It wears loose-fitting robes decorated with polished bits of blades from its enemies. This creature has an ever-changing defensive field and wields a greatsword imbued with chaotic, lawful, holy, and unholy energies. It uses its keen senses to detect alignment and employs strategic magic to disable its foes. Known for its relentless pursuit of targets across the planes, the Concordant Killer embodies the perfect balance of fiendish and celestial traits, serving to maintain cosmic balance or fulfilling high-risk assassination contracts