Dragreder & Dragranzer
Dragredder is a red mechanical dragon which is Dragon Knight's Advent Beast. When Dragon Knight activates his Survive Mode card, Dragredder evolves into Dragranzer, a dragon that can turn into a motorcycle.
Black Wing & Dark Raider
Black Wing is a giant mechanical bat which is Wing Knight's Advent Beast. When Len activates the Survive Mode card, Black Wing evolves into Black Raider, a bat that can turn into a motorcycle.
Volcancer is a mechanical humanoid crab which is Incisor's Advent Beast. When Kit as Kamen Rider Dragon Knight first encountered it, he thought it was a wild monster until Kamen Rider Incisor shows up.
Magnugiga is a giant minotaur robot which is Torque's Advent Beast.
Biogreeza is a humanoid chameleon which is Camo's Advent Beast.
Venosnaker is a giant mechanical cobra which is Strike's Advent Beast. Like Dragon Knight's Dragredder, Strike often involves his Contract Monster Venosnaker in the fight using Venosnaker's acid to melt away cover.
Genosider is Strike's combined Advent Beast with the use of Unite Vent card to combine Venosnaker, Thrust's Metalgelas, and Sting's Evildiver to form a chimeric Advent Beast. It has the head and tail of Venosnaker, the horns and body of Metalgelas, and Evildiver mounted on its back (with its wings opened up in different directions).
Metalgelas is an armored humanoid rhinoceros which is Thrust's Advent Beast. Metalgelas later ends up under the control of Kamen Rider Strike.
Evildiver is a flying mechanical stingray which is Sting's Advent Beast. Evildiver later ends up under the control of Kamen Rider Strike.
Destwilder is an armored humanoid white tiger which is Axe's Advent Beast.
Gigazelle is a humanoid gazelle which is Spear's Advent Beast. When Gigazelle is summoned, it is also accompanied by fellow Zelle monsters Magazelle, Omegazelle, and Megazelle.
Blancwing is a giant mechanical swan which is Siren's Advent Beast.
Goldphoenix is a golden mechanical phoenix which is Wrath's Advent Beast.
Dragblacker is a black Japanese dragon that is a dark copy of Dragredder.