AquaKnife
AquaKnife is a weapon in Chapter 5 of Deltarune. It grants +10AT, +2 DEF, and increases the timing window for a critical hit when attacking. It can be found in the room after defeating Pink for 100 F$ and 3 P$, along with the other flower items.
It parallels the Toy Knife from Undertale, mostly in its appearance.
- Too small. Kris-size. [When attempting to equip it on Susie]
- Umm, I might hurt myself... [When attempting to equip it on Ralsei]
- That's, um, nostalgic. [When equipping it on Noelle, unused]
Despite being a Chapter 5 weapon for Kris, the AquaKnife (+10AT, +2DF, CriticalUp) has a far lower attack stat in comparison to the BlackShard weapon (+16ATK) obtainable in Chapter 3.
For this reason, if you're going for a violent approach, it's suggested not to buy the AquaKnife and instead stick to using the BlackShard, since a non-critical hit from it will do more damage than a critical one from the AquaKnife.
If instead you are going for a more pacifist playthrough, even though there are better defensive options to choose from after the Pink fight, it is objectively the best Kris weapon in most battles since it grants +2DF, while other swords that increase DF, such as the BounceBlade, do so by only 1DF instead of 2DF (as of Chapter 5).
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An example of the increased window for a Critical Hit when equipped with the AquaKnife
The Petal is acquired by leaving the Dark World with the AquaKnife equipped. Unlike most of Kris's other swords, it is not transformed into a type of stationery equipment after leaving the Dark World, instead being a cyan colored flower petal (although no petals can be seen missing from the cyan flower in the Light World if it was obtained).
(Currently unconfirmed if other flower items transform after leaving the Dark World)
