[LV1][LV2] All of your Ultimate cards with "SengokuSixGeneral" in the name can be Summoned ignoring their summon conditions when Soul Core is used to pay the cost.
[LV2] (When Attacks) While you have "The SengokuSixGeneral Mudou", send three cores from any opposing Spirits/Nexuses/Reserve to the trash.
The Master believed strongly in the Six Absolute Deities. After the Six Heaven Army invaded each province, he would investigate the ruins there and collect monuments and ritual tools.
―from the Soldier's Biography of "Sengoku Obscurities" by Kuroe―