Ep. 87: Koenma threatens Sensui with his conscience ring while Yusuke intervenes and defeats Kazuya
Aired on July 2, 1994

Koenma attempts to use his wicked seal conscience ring, a defensive spell embedded in his pacifier capable of trapping even S-class demons, against Sensui. Yusuke intervenes to stop Koenma from launching the attack. Following this confrontation, Yusuke easily defeats Kazuya. Subsequently, Shinobu, who is identified as the primary personality, takes control of Sensui's body. This sequence of events highlights the tension between the characters and the dangerous nature of the magical artifacts involved in the conflict.
Episodes
- Ep. 83 · Kurama's Strategic Decision and the Final Gamemaster Confrontation
- Ep. 84 · Kurama's Anger: The Identity of the Mysterious Man
- Ep. 85 · Yusuke Confronts Sensui Alone While His Friends Are Trapped in Another Dimension
- Ep. 86 · Yusuke Fight Hard, The Determined Difference
- Ep. 87 · Koenma threatens Sensui with his conscience ring while Yusuke intervenes and defeats Kazuya
- Ep. 88 · Sensui Unleashes Sacred Energy and Defeats Koenma's Conscience Ring
- Ep. 89 · Yusuke Falls to Sensui as Kuwabara Breaks Through Itsuki's Dimension
- Ep. 90 · Kuwabara, Kurama, and Hiei Pursue Sensui Into the Demon World After Yusuke's Death
- Ep. 91 · The Awakening Time! The Fight Continues!