“暴走するダークネス”ヤミ is a Weiß Schwarz card from PRカード【Wサイド】 TL/W42-P02. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【ACT】 [REST 2 of your 《変身》 or 《家事》 Character] Choose 1 of your Character, during that turn, it gets +1 Soul.
This card was printed in Japanese only; the English text above is an unofficial community translation.