GhostArmor

"Armor Time! Kaigan! Ghost!" - Transformation sound

 

Kamen Rider Geiz GhostArmor

GhostArmor (ゴーストアーマー GōsutoĀmā) is a Kamen Rider Ghost-based form accessed using the Ghost Ridewatch. It is based off Kamen Rider Ghost's Ore Damashii. It is mainly used by Kamen Rider Geiz. Its shoulders are based on Eyecons. Depending on whether it is used by Zi-O or Geiz, its visor spells out "Ghost" (ゴースト Gōsuto) in katakana or "Ghost" (ごーすと Gōsuto) in hiragana respectively.

KuugaArmor

"Rider Time! Kamen Rider Zi-O! Armor Time! (Epic string music, followed by Mighty Form transformation noise) Kuuga! (Arcle post-transformation noise)" - Transformation sound

Kamen Rider Zi-O KuugaArmor

KuugaArmor (クウガアーマー Kūga Āmā) is Rider Armor accessed with the Kuuga Ridewatch. It's visor spells out "Kuuga" (クウガ Kūga). Its shoulders, gauntlets and chest are based of Kamen Rider Kuuga's Mighty Form.

WArmor

"Rider Time! Kamen Rider Zi-O! Armor Time! (Cyclone Memory-styled rock music) Cyclone! Joker! Double! (low-pitched Joker Memory orchestral hit" - Transformation sound

Kamen Rider Zi-O WArmor

WArmor (ダブルアーマー Daburu Āmā, pronounced "Double Armor") is a Rider Armor accessed with the W Ridewatch. It's visor spells out "Double" (ダブル Daburu). His shoulders are based on the Cyclone and Joker Gaia Memories. 

GaimArmor

"Rider Time! Kamen Rider Zi-O! Armor Time! (J-rock music followed by Lockseed's locked & closed sound) Soiya! Ga~im!" ― Transformation announcement

Kamen Rider Zi-O GaimArmor

GaimArmor (鎧武アーマー Gaimu Āmā) is a Rider Armor accessed from the Gaim Ridewatch used by Kamen Rider Zi-O. Its visor spells out "Gaim" (ガイム Gaimu)

OOOArmor

"Rider Time! Kamen Rider Zi-O! Armor Time! (Drum beat mixed with Tatoba Combo's ending song) Taka! Tora! Batta! OOO! - Transformation sound

Kamen Rider Zi-O OOOArmor

OOOArmor (オーズアーマー Ōzu Āmā) is a Rider Armor accessed from the OOO Ridewatch.

Its visor spells out "OOO" (オーズ Ōzu), its chest reads "Taka" (タカ), "Tora" (トラ), and "Batta" (バッタ), while its shoulder pads are modeled after the Tora arms.

FourzeArmor

 "Rider Time! Kamen Rider Zi-O! Armor Time! 3, 2, 1! Fourze!" - Transformation sound

FourzeArmor (フォーゼアーマー Fōze Āmā) is a Rider Armor based on Kamen Rider Fourze accessed via the Fourze Ridewatch. It's main purpose is flight and is only used by Kamen Rider Zi-O.
 

Kamen Rider Zi-O FourzeArmor

Appearance

FourzeArmor consists of two white rockets attached to Zi-O's arms, a chest plate with two orange stripes, orange lines on the sides of the bodysuit and white armor on the legs that resembles thrusters. The helmet greatly resembles the one used by Fourze and has two rocket module-like shoulder pieces that closes around the head during rocket mode. FourzeArmor's visor spells out Fourze in katakana
(フォーゼ Fōze).

Ex-AidArmor / Ex-Aid Ridewatch - (Zi-O)

"Rider Time! Kamen Rider Zi-O! Armor Time! Level Up! Ex-Aid!" - Transformation sound

Kamen Rider Zi-O Ex-AidArmor

Ex-AidArmor (エグゼイドアーマー EguzeidoĀmā) is a Rider Armor based on Kamen Rider Ex-Aid accessed via the Ex-Aid Ridewatch. It equips the user with the Gashacon Breakers for hard bomping attacks.

Powers and Abilities

Ex-AidArmor gives the user enhanced jumping skills and agility. Whenever it attacks, the word "Hit!" as well as other effects would appear in either katakana for Zi-O or English for Geiz.

Appearances

By Zi-O

• Episode 4
• Episode 33

By Geiz 

• Episode 16
• Episode 19
• Episode 25

 

BuildArmor / Build Ridewatch

"Armor Time! Best Match! Build!" - Transformation Sound

Kamen Rider Zi-O BuildArmor

BuidlArmor (Japanese: ビルドアーマー) is a Rider Armor accessed from the Build Ridewatch. The form equips the user with the Drill Crusher Crusher for sharp spinning attacks.

Rider Armors

Rider Armors (ライダーアーマー Raidā Āmā) are forms based on Kamen Riders accessed through Ridewatches.
 

Geiz WizardArmor and Zi-O FourzeArmor

Rider Armors are formed by inserting a Ridewatch on the left side of the Ziku- Driver and spinning it once. It will then announce the right hand Ridewatch before announcing the left Ridewatch and sub-sequentially summoning the Rider Armor that forms around the Kamen Rider.