User blog:Overlord Ovan/Unit of Choice help

So, i have a large majority of the units that can be selected

Units im missing

Rize

Aaron

Balgran

Rinon

Yuura

Bestie

Kagura

Griff

Krantz

Quartz

Mahalu

Savia

Cyan

Eldora

Reviora

Vermillion

Drevas

Reud

Kiravel

Febros

Limera

Farzen

Estelle

Julius

Rouche

Gildorf

Klaus

Isterio

Lafiel

Reihard

Malbelle

Mikael

Grandt

Elaina

So which of these units should I pick? help would be appreciatted.