- Syrius, Firmament Elemental is the blocker with the highest power released in the TCG.
- This creature has an Alien Psychic Creature named after it, Gaga Sirius, the Temporal.
- In Thunder Net's flavor text Syrius explains how that device snares enemies with electricity.
- This card can be seen in the artwork of Alkaizam, Infinite Lord of Spirits.
- This creature has a Darkness and Unknown variant, Codenight Congratulation.
|Syrius, Firmament Elemental|
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