"30 Powerhouse Highschool DXD Characters You Didn’t Know Were Game-Changers! - Leaselab

Understanding the Context

When you think of Highschool DXD, images of flashy battles, divine revelations, and over-the-top transformations jump to mind. But behind every legendary protagonist lies a cast of lesser-known but absolutely game-changing high school characters—students and warriors who quietly shift alliances, alter battlefields, and rewrite prophecies. Whether they wield hidden powers tied to ancient lore or disrupt the status quo with quiet brilliance, these 30 powerhouse high school DXD characters deserve your spotlight.

1. Renji Sahara – The Quiet Strategist of Saint Uriel

While Renji grabs attention as HD revered for strength and identity flash, his role as the tactical brain beneath the bravado is often overlooked. As a Balrog/Creature hybrid, his unique body analyzer talent lets him decode enemy weaknesses in seconds—revealing tactical gaps others miss. His subtle intel operations and hidden leadership in covert missions make him the unsung analyst who changes battlefield outcomes without ever holding a weapon.

Key Insights

2. Ilse Sand – The Mirror-Wielding Intelligence

A quiet student at High Escola’s elite, Ilse’s mastery of Mirror Worlds isn’t just a flashy gimmick—she uses multidimensional reflection to phase through defenses, map enemy auras, and predict attacks with uncanny precision. At school, she builds decoy identities and gathers intel; in divine conflicts, her mirror tactics provide critical advantages few suspect. Ilse proves knowledge and timing are real power.

3. Kiss – The Shadow Transformer with Strategic Summons

Though often cast as the brooding protagonist, Kiss’s true strength is his identity fluidity and mastery of Shadow Summons—yet his tactical mind turns every fight into a calculated effort. His ability to shift forms isn’t just for drama; it allows him to infiltrate enemy ranks, decode agendas, and deploy surprise reinforcements when it counts most. Kiss is fewer flashy battles, more silent pivots behind the front lines.

4. Hen Baiyu – The Alchemist T Cork4High School

Hen’s quiet presence in the chemistry labs of HD High School belies her mastery of Elemental Alchemy—her potions and transmutations subtly alter battlefield conditions, amplify ally abilities, and even disrupt enemy magic. At school, she experiments with arcane reactions; in desperate moments, her alchemical interventions shift the tide without revealing her full potential.

Final Thoughts

5. Riro Waldorf – The Silent Keeper ofsted’s Destiny

Riro’s stoic demeanor masks his cosmic connection as a chosen liaison between spiritual realms. As an HD student tasked with maintaining balance between worlds, his ability to perceive latent energies lets him defuse magical anomalies and shield allies at pivotal moments—often without fans noticing. His restraint and subtle control make him a quiet guardian of cosmic order.

6. Liora Batelin – The Weaponized Quietist

Liora’s agility and archery skills turn her into a ghostly target-suppressor in Group D. Yet behind her calm exterior lies the ability to synchronize with kinetic energy, amplifying projectile impact and predicting enemy movement patterns. Her student presence at the academy hides a deadly synergy between precision and precognition.

7. Momo – The Unseen Alliance Keeper

Operating off-campus and behind a mask, Momo acts as an informal liaison between HD factions and external forces. Her fluency in hidden diplomacy and covert communication networks keeps the fragile peace order intact—often defusing tensions before they spark into war. Momo’s true power lies in preventing chaos from breaking out in the first place.