The events and power-ups Lyonel Mycenae gains throughout Highschool DxD: The King of Lions.
The Lion King's Awakening Edit
- Lyonel meets his childhood friend, Vali Lucifer.
- Lyonel encounters the Fallen Angel Dohnaseek, and awakens his Sacred Gear, Regulus Nemea.
- Lyonel learns that Rias and the members of the Occult Research Club are Devils.
- Lyonel receives a visit from the leader of Grigori, Azazel.
- Lyonel begins his training with Vali to obtain his Balance Breaker.
- Lyonel and Rias make love together and he claims her virginity.
- Lyonel challenges Riser to a match with Rias's engagement on the line.
- Lyonel trains for ten days with Vali and his team, and unlocks his sub-species Balance Breaker.
- Lyonel fights and defeats Riser Phenex.
- Lyonel and Rias confess their feelings and become a couple.
Rise of the Dark King Edit
- Rias now lives with Lyonel and now has his own personal maid, Grayfia Lucifuge.
- Lyonel spars with Tsubaki Shinra and wins.
- Lyonel fights Lancelot and loses.
- Lancelot and Jeanne invite Lyonel to join the Hero Faction.