Armour Astir: Advent is a game by Briar Sovereign featured in the Road to PARTIZAN and PALISADE.
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Armour Astir: Advent is a PBTA game where the players use their wits, expertise, and their huge magical mechs to fight back against an oppressive power. A love letter to mecha anime and fantasy fiction broadly, Armour Astir is designed to evoke the feel and pace of shows like Mobile Suit Gundam and Escaflowne in an accessible, narrative-focused format: without skimping out when it comes to the exciting action.”
The live game of Armour Astir was played during the game's development and likely differs from the 1.0 release, which came out prior to the start of PALISADE.
Supplements
Strangers in the Night & 106th Astir Squadron
Strangers in the Night and 106th Astir Squadron are third-party supplements for Armour Astir written by Yuri Runnel and August Orion. They include playbooks used in PALISADE, including the Miscreated and the Incandescent.
Armour Astir: Encore
Armour Astir: Encore is a supplement for Armour Astir written by Briar Sovereign. It includes the Wither, a playbook used in PALISADE.