Tatiana

Tatiana (タチアナ) is the Union Negator 5 of Undead Unluck.

Appearance
Tatiana appears to be an unseen person contained within the mechanical armor. She also has a robotic arm that shoots out its fist and can reshape itself to fire a laser.

Apparently, she has long hair inside.

Personality
Tatiana seems to care for her comrades, particularly Billy and Gina, and has a short temper when it comes to their lives.

Gina Arc
She was introduced sitting in seat number 5 and had been used as a ricochet for Billy's bullet to block Andy's Finger Bullets.

Spoil Arc
She shot her fist to hit Andy out of hatred for him killing Gina as she liked her. But to stop them from fighting, Juiz made Andy point his sword at Fuuko, while Tatiana her weapons at Billy, and as she didn't want to kill him, she stopped.

As Apocalypse gave them their new quests, she along with other members took on UMA Burn and Eat quests.

Later when Spoil is captured, Shen calls The Union for help and Tatiana and the rest come. Victor shoots fingers at each member, but Tatiana deploys shield protect each. Using the shields, Billy make his bullets ricochet and hit Victor from multiple angles. She and the other members continue fighting him while protecting Fuuko, until she manages to activate her ability and defeat him.

Abilities
Untouchable: Tatiana has a compulsory, self-targeting Negator ability, however, it seems to be able to wipe out an entire town once released. Her armor acts as a restraint to contain her ability.
 * UT Area Voluntary Release: Parts of her armour flies off, allowing her to use her negation power.

Laser: Tatiana can shoot a laser beam as she was shown to be unintentionally preparing to fire it at Billy when being put under Juiz's control.

Rocket Fist: Tatiana is able to launch her robotic arm's fist at great speed as she used it against Andy to punch him from across the table and into a wall.

Shields: Tatiana can deploy a number of shields to protect her allies and to surround her opponent with.