The Kris Knife (クリスナイフ Kurisu naifu) is a Dagger that is introduced in Fire Emblem Fates. Imbued with the special property of inflicting effective damage against monster units, the Kris Knife is also able to reduce the Magic, Defense and Resistance of enemy units post-battle, alongside recovering its wielder's HP at the start of each turn. The knife's strengths are mildly offset by it reducing its wielder's Defense and Resistance by a small amount.
A Kris Knife is a special type of dagger made in some countries of South-Eastern Asia. The dagger's curvy blade is forged through alternating laminations of iron and nickelous iron and was used for a wide variety of reasons. Such reasons include decoration, weapons, talismans, heirlooms, accessories and symbols of heroism or high social standing.