|Circulus Pilorum Nigrorum|
|Romaji||banshou tsuranuku kokkui no enkan|
|English||Ring of Black Stakes Piercing All Creation|
|Debut (Manga)||Chapter 319|
Circulus Pilorum Nigrorum (万象貫く黒杭の円環, Ring of Black Stakes Piercing All Creation) is a spell which summons a massive swarm of petrification stakes. These projectiles have been shown to range in size from inches to 6 feet long.