Phantasm

The Phantasm is a Hardmode bow that auto-fires 4 arrows at once, with no set pattern and inaccurately, similar to the Chlorophyte Shotbow. In addition, when focusing on one opponent, the Phantasm fires a continuous stream of weaker homing (only on a single target, see GIF file) magical arrows in between attacks, rewarding players that land multiple attacks in a row. Holding down the attack button will increase the firing rate of the bow.

Its best Modifier is Unreal.

Tips

 * If used against the Celestial Towers during the Lunar Event, the bow can destroy a single pillar within a few seconds.
 * Try not to use piercing arrows, as enemies will have a brief period of invulnerability and arrows will simply pass through without any damage.
 * Using Ichor Arrows reduces the defense of enemies you hit, increasing the damage from the extra shots as well as the passive stream of arrows from the Phantasm, increasing damage output significantly.
 * The bow starts off slow and gains more attack speed while the attack button is held down.
 * Combined with Luminite Arrows, damage inflicted could be doubled, because of the double hit property from Luminite Arrows.
 * Due to the high amount of hits per second, the Phantasm is outstandingly effective against the Dungeon Guardian.
 * A Broken Phantasm against easier bosses and enemies with high health when Lucky Coin equipped can give lots of money. Works best in Expert Mode because of defense and health boost on enemies.
 * Phantasm can provide lots of Boosters with Nebula Armor.
 * Because of its high attack rate, the Phantasm works well with Endless Quiver, as you can destroy any boss with no cost.
 * If the Vortex Breastplate is coupled with the Chlorophyte Helmet, and the buffs from both the Ammo Reservation Potion and the Ammo Box are applied along with the Magic Quiver Equipped, it is possible to reach a 89.5552% chance not to consume ammo. This is the highest possible chance as of 1.3.0.8.

Trivia

 * The Phantasm's downside is that if there are multiple mobs that cannot last against more than two volleys, you are unable to use its passive attack to its full potential. The Vortex Beater's area control trumps the Phantasm in this regard.
 * If you get the stoned debuff while attacking you can still shoot the bow.

History
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