Attuned crystal dagger

The Attuned crystal dagger is a better version of the crystal dagger that requires 80 Attack and 50 Agility to equip. It is made by Crystal Singing at the crystal bowl in the Ithell Clan district of Prifddinas, requiring 90 Smithing and completion of The Eyes of Glouphrie. This turns an attuned crystal weapon seed and 1000 harmonic dust into the attuned dagger, giving 1500 Smithing experience.

With this dagger (and another attuned weapon or shield in your off-hand slot), you have a small chance of doing 25% extra damage on a hit. This chance varies with your Agility level and maxes out at 12% at 99 Agility. So at most, this gives it a 3% damage boost over the chaotic claws, which have identical stats otherwise.

The attuned crystal dagger degrades during use. Each dagger has 50,000 charges and consumes 2 charges for every auto attack, ability used or hit taken. If used in Prifddinas it will only consume 1 charge, lasting twice as long.

This weapon can be stored using a Keepsake key, but only if has not yet been equipped. If it has, one must take it to Eluned so she can repair it, returning the weapon to its untouched state.

Trivia
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 * Before 5 January 2015, attuned crystal weapons degraded to dust instead of reverting back to a seed.