Changes

** According to the ''[[Duel Terminal Master Guide card storylines#"Constellar Rasalhague" Attempts a Fusion with the Three "Evilswarm" Dragons|Duel Terminal Master Guide card storylines]]'', "Kerykeion" this monster is the evolved form of "[[Constellar Rasalhague]]" after using the "[[Gishki Aquamirror]]" to fuse with the three "[[Lswarm|Evilswarm]]" dragons ("[[Evilswarm Bahamut]]", "[[Evilswarm Ouroboros]]", and "[[Evilswarm Ophion]]") and the crystallized power of 'Destruction' "destruction" from "[[Sophia, Goddess of Rebirth]]".*** "Kerykeion" ("[[Qadshaddoll Keios]]") was later captured by the "[[Shaddoll]]s". While imprisoned, he was chosen by the '[[Zefra|Sefiroth]]' system and transformed into "[[Shaddoll Zefranaga]]", freeing himself with his new power.

* This card monster is named after ''kērū́keion'' (κηρύκειον), the Greek word for the "[[wikipedia:Caduceus|caduceus]]". The caduceus is , a staff entwined with two serpents carried by .** As such, this monster is likely the base form of its upgraded "[[Constellar]]" form, "[[wikipedia:Hermes|HermesConstellar Caduceus]]". This is based on how both monsters highly resemble each other, how they are named after the staff entwined with two serpents, and how the upper portion of the staff wielded "Caduceus" highly resembles the messenger logo of the gods in Greek mythology"[[lswarm]]" [[archetype]].

* This card monster and "[[Evilswarm Exciton Knight]]" are the only "Evilswarm" monsters whose [[ATK]] do not end in 50, as they are not corrupted by the "Evilswarmlswarm"virus.

* This card monster has a 'Creation' counterpart: "two archetypal [[Constellar Sombrecounterpart]]".s:** This card's "[[AttributeShaddoll]] ([[DARK]]) is the opposite of the Attribute (" counterpart: "[[LIGHTQadshaddoll Keios]]) of "Sombre".** This card's "[[ATKZefra]]/" [[DEFPendulum Monster|Pendulum]] (1600/1550) are the inverse of the ATK/DEF (1550/1600) of counterpart: "Sombre[[Shaddoll Zefranaga]]".** The effects of both cards parallel each other with the only difference being that they support their own respective archetypes.

* This card monster has a "creation" counterpart: "[[ConstellarSombre]]" form: .** Both monsters' [[Attribute]]s are opposite of each other; this monster's Attribute is [[DARK]], while "Sombre's"is [[Constellar CaduceusLIGHT]].** Both monsters' [[original ATK and DEF]] are an inverse of each other; this monster has 1600 [[ATK]]/1550 [[DEF]], while "Sombre" has 1550 ATK/1600 DEF.** Both monsters' effects are parallel of each other, with the only difference being that they support their own respective archetypes.