Item Name: Silver Knife                                                                              Used By: Simon Belmont

This silver knife can be obtained only in Castlevania II: Simon's Quest, and only by locating a mysterious figure in a graveyard. The knife has both more range and strength than the typical dagger sub-weapon, but the boost is mostly negligible, and its range isn't much longer; it may not be worth the one precious heart it takes to activate it.
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Item Name: Golden Knife                                                                           Used By: Simon Belmont

Another weapon only wielded by Simon in Simon's Quest, this dagger is the most powerful of its kind. When a golden knife makes contact with an enemy, it'll strike the hapless foe multiple times before its visage fades. It also has the best range of three dagger types, traveling a full screen's-length. Truly, it's the best weapon of choice against even Dracula, who will be helpless to escape its grasp.
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Item Name: Diamond                                                              Used By: Simon Belmont and Alucard

It was Simon who gained possession of the the diamond during his Simon's Quest adventure. When tossed, it rebounds about the room at 45-degree angles until it strikes an enemy or travels into a pit or doorway. Since the Symphony version is smaller and lighter (and referred to as the "rebound stone"), it's afforded the ability to rebound faster, at many angles, and strike multiple times.

Item Name: Mystic Flame                                                                         Used By: Simon Belmont

This mystic flame is very similar to holy water. When thrown to the ground, in the expected arc, the fiery sub-weapon settles into position then sends upward a wall of slow-rising, continually burning flame. Enemies that foolishly travel unto the flame will be become caught in its net and suffer multiple hits until the flame disperses.
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Item Name: Garlic                                                                                        Used By: Simon Belmont

A classic weapon of vampire hunters, garlic can be used to either harm enemies or to uncover secrets in graveyard-type areas. If enemies walk near it, they'll become entranced, trapped by its aroma and repeatedly damaged until until they're destroyed. Though effective as a weapon, it's too precious to waste--you'll instead need it to summon forth the lost souls who will provide you stronger weapons.
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Item Name: Oak Stake                                                                                Used By: Simon Belmont

Though in myth a standard hunting weapon for vampire-slaying heroes, who will often plunge it deep into a vampire's heart, the Simon's Quest version of the oak stake is used only as the sub-weapon potent enough to crack the sealed orbs that contain Dracula's body parts. Simon will of course have to purchase oak stakes from the mansion-inhabited salesmen, who will part with one for a hefty fifty hearts a pop. For that price, hope that your aim is true.

Item Name: Holy Book                              Used By: Juste Belmont, Richter Belmont and Alucard

When activated, a magic book will spiral around the hero, progressively outward, forming a temporary shield/projectile storm as its sharp pages proceed to rip at surrounding enemies while giving the hero some safe space. The Symphony of the Night version instead whips back and forth, protecting the hero for a short period of time.
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Item Name: Key                                                Used By: Christopher Belmont and Richter Belmont

The key, functioning as a sub-weapon, appears in the the Dracula X titles and Castlevania: The Adventure Rebirth, in which it serves the purpose of opening locked doors. In Rondo, it's a door in the watery cavern of Stage 2. In the SNES game, it's the locked doors on Stages 4 and 5. In Rebirth, they're everywhere. In the Dracula X games, it can also be used for a blunt, short-ranged striking attack; the damage it deals is slight, though the fee is precisely zero hearts.

Item Name: Laurel                                                                                      Used By: Simon Belmont

In Simon's Quest, Simon can purchase magical herbs that can be used to render him invincible for a short period of time. Overpowered in that sense, the creators dropped it from the arsenal until it returned in Akumajou Dracula X68000, toned down but still very useful. Instead, Simon can now use it as a limited energy-restoring sub-weapon at a cost of only ten hearts per use.
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Item Name: Crystal / Spear Head                                      Used By: John Morris and Eric Lecarde

In Bloodlines, finding a hidden spellbook will earn you this temporary sub-weapon, which replaces the one current--until you take damage, wherein it'll be lost. When used by John, a blue flame emerges and blasts forward, seeking the closest enemy, who will be engulfed and damaged repeatedly by the burning flame. Eric, instead, releases in all directions and for a long period green balls of flame, which damage whatever they strike. In either case, the spell costs ten hearts.

Item Name: Aguen                                                                Used By: Richter Belmont and Alucard

Though it seems that this sacred lightning is only capable of damaging enemies a single time, Aguen is actually another engulfing-type item; it's important to know that repeatedly tapping the attack button commands it to expel lightning bolts in all directions, the surrounding enemies susceptible to multiple hits; the lightning will continue to strike until your hearts are completely drained or until you let go of the button.

Item Name: Bibuti                                                                Used By: Richter Belmont and Alucard

Bibuti is another holy water-like item: The hero will throw onto the ground deadly ashes that slowly disintegrate; during this period, any enemy that passes over the ashes will become trapped in the destructive net and caused repeated damaged before they're able to escape--and that's if they manage to escape.
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Item Name: Sacred Fist                                                                                 Used By: Juste Belmont

The Sacred Fist is the only sub-weapon that beckons a physical response from its user. By activating the fist, Juste Belmont will stretch out his arms to release a flurry of long-range flaming punches (similar to E. Honda's 1,000-hand slap), the maneuver's very force slowly inching him forward. Enemies caught in the attack's path will be repeatedly damaged by the storm of jabs.
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Item Name: Magic Cross                                                                             Used By: Julius Belmont

Though the "boomerang" and "the cross"have always been considered one in the same, it was Julius Belmont who instituted a separation and out of one created two: The namesake, the typical boomerang seen elsewhere on this list, and this--the new magic cross. When activated, Julius hovers in the air, invincible, while a giant flaming cross forms behind him and burns repeatedly. Any enemy that makes contact with the cross will be damaged heavily and often.

Item Name: Crystal                                                                                        Used By: Leon Belmont

The crystal is hardly an "addition. " It was one of the original sub-weapons found by Leon back in the 11th century. When the crystal is activated, it hovers in place and then explodes several
times over its current position; enemies will be repeatedly damaged by the blasts. Timing and an ability to telegraph your foes' motion will be key to using it effectively. Unfortunately, the crystal seems to have been lost in the proceeding centuries.

They've taken their weapons; stolen their souls and used their abilities on their own; mimicked their attacks; and now the heroes have recruited one of Dracula's own to their side. That is, you'll unlock and control Old Axe Armor in Portrait of Ruin. His lone sub-weapon is the "puppet" (borrowed from soul-stealer Soma), which he'll toss to a location--usually beyond a barrier he can't breach--and magically switch places with it. He can't fully navigate the castle without it.

Item Name: Torpor Crystal                                                                                         Used By: Albus

The torpor crystal is unlockable hero Albus' only special/sub-weapon. After Albus tosses one of these crystals to the ground, it fractures, and out from its remains sprouts a series of much larger crystals, which displace, stab and overwhelm any enemy that was walking over them. Since the larger crystals generally take up a lot of space, the complete weapon's range is particularly wide.
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