Yūma's Black Trigger

It is a black trigger created by Yuma's father to prevent Yūma's death.It is supposed to be a very powerful trigger like all black triggers.

Appearance
It is in the form of a black coloured ring on Yuma's forfinger. When activated it takes appearance of a black colored jumpsuit. Unlike most other trainees, he gains an all-black uniform, instead of the classical all-white one; it has a black jacket with thick white stripes running down from the sides of his collar to the sides of his sleeves and also around his collar, And thin red stripes in the borders of the zip fastener and collar. It covers most of his body except his head.

Abilities
It is a very powerful black trigger with it Yuma was able to defeat many A ranked Miwa unit .He also took down an Bamster with one punch.Replica merges with his trigger and forms seals for him to fight.This trigger has shown the use of multitude of abilities available in its arsenal.This trigger has sealed Yuma's real body instead it gives him a body made out of trion for day to day use.It was was revealed in episode 8 (chapter 16 in manga) that it is a trigger that could copy other triggers attacks and use them with more power than the original user.The following are the list of the abilities used by Yuma:
 * Bound (「弾」印 (バウンド) Baundo, lit. "Bullet" Seal): A seal with the kanji for bullet appears on the ground acting as a trampoline that sends Yūma flying at incredible speed to his target to proceed to attacking them.


 * Boost (「強」印 (ブースト) Būsuto, lit. "Strength" Seal Double): A seal with the kanji for "strength" appears on Yūma's hand. He can use it to boost his own
 * Chain (「鎖」印 (チェイン) Chein, lit. "Chain" Seal) A seal with the kanji for "chain" appears. Chains emerge from it, trapping the target.
 * Shield (「盾」印 (シールド) Shīrudo, lit. "Shield" Seal): A seal with the kanji for "shield" appears. Yūma can use this to create a shield, but it can be penetrated by bullets which have no attacking power.


 * Yuma-0.gifAnchor (「錨」印 (アンカー) Ankā, lit. "Anchor" Seal): A seal with the kanji for "anchor" appears, creating "rings" that trap the target.


 * Bolt (「射」印 (ボルト) Boruto, lit. "Anchor" Seal): A seal with the kanji for "bolt" appears. A technique replicated from Shūji Miwa's Red Barette.


 * Anchor + Bolt Quadra (「錨」印 + 「射」印 四重 (アンカー ＋ ボルト クアドラ) Ankā + Boruto Kuadora, lit. "Anchor" Seal + "Bolt" Seal Quadruple) Yūma conjures the Anchor and Bolt seals and sends projectiles flying at opponents causing the weight of their trion to increase effectively immobilizing them.


 * Echo (「響」印 (エコー) Ekō, lit. "Echo" Seal)
 * Boost+Bolt Quinte(lit."Boost"Seal+"Bolt"Seal Pentuple)

Users

 * Yugo kuga (formerly)
 * Yuma kuga (currently)