Hey there, the Leviathan prestige class items are physically identical to the standard Leviathan 'Shadow's' class items, so only the latter is offered as a transmog option. They do not have the extra glowing parts that the other prestige gear pieces have. [quote][b]Excluded Armor[/b] Some armor sets were purposely combined into one set to reduce players accidentally overspending their tokens for duplicate armor. Examples include: Leviathan Prestige Class Items: The Prestige class items from the Leviathan raid uses the same arrangement as the base version, but uses a different dye to distinguish the two, so we reduced these two items into one item for Armor Synthesis.[/quote] https://help.bungie.net/hc/en-us/articles/360059413251-Armor-Synthesis-Guide