Chef ' s Knife The Chef ' s Knife , also known as Tonberry ' s Knife , Kitchen Knife , Knife , or Cleaver , is a weapon of the Tonberry and a recurring ability in the " Final Fantasy " series . In most cases , Chef ' s Knife is a deadly non - elemental attack . Appearances . " Final Fantasy V " . The Knife , originally known as the Cleaver , is Tonberry ' s attack . It can only use the ability once it has moved close enough to the player . Knife attacks several times , ignores Defense and inflicts Sap . " Final Fantasy VI " . The Knife , originally titled the Cleaver , is an enemy ability used by the Tonberries enemy . The attack is used once the Tonberries enemy has moved in range , and deals heavy physical damage . " Final Fantasy VII " . The Knife enemy ability is an attack of the Tonberries and the Master Tonberries . An ordinary Tonberry cannot attack the player until it has moved close enough . When in range , the attack inflicts Instant Death to the target . " Crisis Core - Final Fantasy VII - " . The Tonberry enemies fought will use the Knife attack , this time known as Kitchen Knife . The Tonberry ' s Knife is a key item that adds Tonberry summon and its " Murderous Thrust " attack to the DMW . It deals major non - elemental damage to one enemy . " Final Fantasy VIII " . Chef ' s Knife is an enemy ability , a summon attack , and an item . The enemy ability and the summon work the same . The Tonberries , most commonly fought in Centra Ruins , use the attack . Tonberries will walk forward on most turns , using Everyone ' s Grudge as a Counter - attack . Once it has come close enough , it can use its Chef ' s Knife attack to deal large , non - elemental damage . Once the Tonberry King is defeated , the player will obtain the Tonberry summon . Its attack is the Chef ' s Knife and it functions just as the infamous Tonberry attack does . The damage can be increased by Boost and level ing up Tonberry ' s stats . The attack is also accompanied by a " Doink " sound for comedic purposes . The Chef ' s Knife can be stolen and dropped from the Tonberry enemy and modified from their cards . Chef ' s Knives will increase a character ' s compatibility with the summon by three and can also be made into Death spells and AP Ammo . " Final Fantasy IX " . The Knife attack is a basic enemy physical attack used by the Goblin and the Ogre . In addition , it is an Instant Kill attack used by the Tonberry . " Final Fantasy X " . The Chef ' s Knife is an enemy ability used by the three types of Tonberry . All of them must be in range before they can use the attack which deals major non - elemental damage . " Final Fantasy X - 2 " . The Chef ' s Knife functions the same as its " Final Fantasy X " incarnation and is used by both the ordinary Tonberry and the Mega Tonberry . " Final Fantasy XI " . While Tonberry beastmen have a devastating short - ranged stabbing attack , called Throat Stab , that reduces a player ' s health to 5 % and resets enmity , it is ( unusually ) not an example of the Chef ' s Knife . However , there are several different items that are some form of Chef ' s Knife . The quest " You Call That a Knife ? " , involves fetching a chef ' s knife for a tonberry who has lost his . The player must obtain a Tonberry Board ( a chef ' s cutting board ) and deliver it to the tonberry Chef Nonberry , gaining the key item " Nonberry ' s Knife " in exchange . The attack is a basic physical attack used by the Tonberry . It may inflict the Stamina Down status . " Final Fantasy XIII " . The Tonberry appears when the player goes to kill the Undying Zenobia . Zenobia comes up from the ground and is promptly stabbed in the foot by the Tonberry and dies . The angry fiend then attacks the party with multiple attacks , one of which is Chef ' s Knife . " Final Fantasy XIII - 2 " . Tonberry ' s knife can be acquired as an adornment for monsters . The item is called Grudge Knife and is obtained as a prize from the New Town North Terminal quiz of Brain Blast in Academia 4XX AF . Tonberry is also an enemy and uses various knife attacks on the party . " Final Fantasy Tactics Advance " . The Tonberry and Masterberry can use the Knife attack which reduces the target ' s health to 10 % of the unit ' s maximum HP . " Final Fantasy Legend III " . Knife is a physical attack that damages one enemy , it also has a chance of inflicting Sleep . " Final Fantasy All the Bravest " . Knife is the enemy ability that is used by the Tonberry and Master Tonberry during battle .