Crystal bow

The Crystal bow is a degradable bow made from enchanting a crystal weapon seed. It requires the completion of Roving Elves to wield, as well as 50 Agility and 70 Ranged. (However, 56 Agility is a boostable requirement for passing through the forests of Tirannwn.)

A crystal bow is created when an elf sings to a crystal weapon seed and enchants it into a bow. The most prominent elf with this talent is Ilfeen, who will perform this service for players for a price. Alternately, if you have 75 Smithing, you can make the bow yourself with Crystal Singing, at the crystal bowl in the Ithell area of Prifddinas. This requires a crystal weapon seed and 750 harmonic dust, and gives 750 Smithing experience.

Because it is blessed by the elven goddess Seren, the crystal bow does not require any arrows to use, as it generates its own when fired. This makes it one of the few Ranged weapons, along with the chargebow, Kayle's chargebow, quickbow, zaryte bow, boogie bow and dominion crossbow, that does not require ammunition. This lack of an ammunition requirement makes the crystal bow useful for firing at targets that are behind barriers that prevent normal collection of arrows, such as the greater demons in the Ogre Enclave, or the Lesser demon in the Wizards' Tower.

The crystal bow is only tradeable when fully charged.

Degrading
Crystal bows degrade during use. Each bow has 50000 charges and consumes 2 charges for every auto attack, ability used or hit taken. If used in the Cadarn or Iorwerth sectors of Prifdinnas it will only consume 1 charge, lasting twice as long.

Once a crystal bow runs out of charges, it turns back into a crystal seed, and must be recharged before it can be used again.

Before the Evolution of Combat, the crystal bow (as well as shield) used to lose some of its combat bonuses every time it degraded. Now the stats remain the same all through the bow's use span.

Recharging
*Note the bows/shields that are recharged by Ilfeen are non tradeable even when fully charged, and do NOT STACK in your bank*

Ilfeen will recharge crystal weapon seeds into crystal bows or crystal shields. She can be found teleporting back and forth between two clearings in Isafdar. (From the lodestone, take the northeast path, jump over the leaftrap, go to the end of the path, then turn left to go through the dense forest. You'll see the musician, and keep going northeast. You'll see another leaf trap, but just before it, you should go left through some trees, then around a fallen tree on the ground, and go north to the clearing. She'll be there, or if not, wait a few minutes and she will be). However, players who have completed The Prisoner of Glouphrie can also find her in the centre of the elven village Lletya.

Initially, Ilfeen charges 1,000,000 coins to re-enchant a crystal seed into a crystal bow. However, the price is decreased by 200,000 coins each time Ilfeen re-enchants a seed for a player, in the following manner, until reaching the minimum recharge cost of 200,000 coins:

Please note that these bows/shields can be bought new on the Grand Exchange, but not once the shield/bow has been used.

Ilfeen is also able to re-enchant partially degraded crystal equipment, at a portion of the cost. For example, a crystal bow in '9/10' condition can be recharged back to full condition for 18,000 coins if the minimum recharge cost has already been reached. A recharge this way will not count towards reducing the cost for future re-enchantments.

The amount that Ilfeen charges is dependent on the number of crystal seeds she has re-enchanted, not the number of crystal bows she has recharged. For example, a player who pays Ilfeen 750,000 coins to re-enchant a crystal seed into a crystal shield will only have to pay her 720,000 coins to recharge a seed into a crystal bow.

Obtaining and trading crystal bows
A crystal bow with 2/10 charges is a possible reward for completion of Roving Elves. (Players who choose a crystal shield can choose to let the shield revert into a seed, then re-enchant that seed into a crystal bow.) Additionally, players can buy new crystal bows from Islwyn for 1,000,000 coins each. Unlike Ilfeen's recharge price, the price of a new crystal bow does not decrease.

The distinction between a new crystal bow and a full crystal bow is important, as only new crystal bows are tradeable. A crystal bow that is bought from Islwyn is new; a crystal seed that is re-enchanted into a crystal bow by Ilfeen is full. Once a shot is fired from a new crystal bow, it becomes a full crystal bow, and is untradeable.

As crystal seeds are tradeable, players can buy them from other players or the Grand Exchange and pay Ilfeen to re-enchant them into crystal bows.

Analysis and strategy
Although crystal bows do not require any ammunition, they still have a cost associated with their use, in the form of their recharge cost. When the recharge price is 1,000,000 coins, the cost per shot (at 2,500 shots) is 360 coins. However, when the recharge price decreases to 200,000 coins, the cost per shot is 72 coins. By comparison, rune arrows are coins.

One crystal bow will last for 2 hours and 5 minutes of continuous shooting. Players who plan to use crystal bows on extended trips may wish to bring more than one bow. However, with the Evolution of Combat, players can use abilities which not only increase damage but do not use charges. This means only one or two charges are used per kill, regardless of life points, drastically reducing the effective cost of the crystal bow and increasing the life of the crystal bow to 2500 kills, much longer than other degradable weapons.

Some chief disadvantages that crystal bows have, compared to other bows, are the requirements for using them and the relatively short degrading time. Aside from Ancient Warriors' Equipment and Dominion Tower weaponry, crystal equipment has the shortest lifespan in the game. Additionally, players who would normally pick up their ammunition (either manually or through an Ava's device) may not save money by using a crystal bow, which requires no ammunition and therefore leaves behind no arrows to pick up.

Arrows have a 20% chance of breaking so each arrow lasts approximately 5 shots. Therefore, when purchasing 500 rune arrows for coins each, the player is effectively buying approximately 2,500 shots' worth of rune arrows for  coins, around half the cost of the cheapest crystal bow recharge.

As the crystal bow is a single item and does not use ammo, you do not lose arrows upon death. This makes it popular for use in the Wilderness, where the protect item prayer can be used to retain the bow on death.

Trivia

 * Attempting to light a fire using the crystal bow results in the message "The bow resists all attempts to light a fire. It seems that the sentient tools of the elves don't approve you burning down forests."
 * The above message used to say "You cannot light the fire, because the Crystal Bow has no string." Prior to the release of RuneScape High Detail, the crystal bow indeed had no string.
 * The attack range of the crystal bow is 7 spaces, the same as any shortbow.
 * The number of shots fired by crystal bows is tracked per player rather than per bow, making it possible to prevent a fully charged bow from degrading by using another crystal bow for every 250th shot.
 * Attempting to cast Low Level Alchemy or High Level Alchemy on a crystal bow results in the message "You can't do that to elven crystal!" This is due to a glitch that allowed players to alchemise crystal bows on free-to-play worlds for 540,000 coins each. Players could buy crystal seeds, enchant them into bows for 180,000 coins, and alchemise the bows for significant profit. Because of this, Jagex made it impossible to alchemise members' objects on free-to-play worlds, and made it impossible to alchemise crystal equipment at all.
 * The crystal bow appears to shoot green-glowing steel arrows.
 * If you die in the wilderness with the crystal bow, you can run back and pick it back up.
 * While the crystal bow displays the strength of any ammo equipped, it only does damage based on its own ranged strength.
 * The new crystal bow was incorrectly listed on the Grand Exchange for being thrown ammo after the Evolution of Combat update.
 * When the crystal bow reverts to a crystal seed it stays equipped, giving you the pre-EoC walking stance and animation.

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