[LV1][LV2][LV3] (When Attacks) You can add this Spirit to under one of your Spirit with the ability Advent as a pre-advent card.
[LV3] When you advent a Spirit in the family Armed Machine, this Spirit is treated as Cost 6.
Ruling: When this Spirit is braved, and you choose to activate its (When Attack) effect, the brave can either stay on field, or also added as pre-advent card. If the brave is also braved to another Spirit, then the Brave must stay braved to that Spirit.