Template:OptionalBossDirectory

Optional bosses
Kingdom Hearts
Tidus, Selphie, and Wakka \| Cloud \| Cerberus \| Leon \| Yuffie \| Hercules \| Hades \| Rock Titan \| Ice Titan \| Sephiroth \| Kurt Zisa \| Parasite Cage \| Ursula \| Flotsam and Jetsam \| Lock, Shock, and Barrel \| Oogie Boogie \| Oogie's Manor \| Phantom
Kingdom Hearts Final Mix
Red Armor \| Sneak Army \| Destroyed Behemoth \| Unknown
Kingdom Hearts II
Seifer \| Sephiroth \| Hades \| Leon \| Yuffie \| Cloud \| Tifa \| Shenzi, Banzai, and Ed \| Scar \| Groundshaker \| Sark \| Master Control Program
Kingdom Hearts II Final Mix
Absent Silhouettes \| Organization XIII's Replica Data \| Lingering Will
Kingdom Hearts 358/2 Days
Anti-Riku \| Anti-Saïx
Kingdom Hearts Re:coded
Rock Titan \| Behemoth \| Ice Titan
Kingdom Hearts Birth by Sleep
Vanitas Remnant \| Unknown \| Mimic Master \| Iron Imprisoner
Kingdom Hearts Birth by Sleep Final Mix
Monstro \| Armor of Eraqus \| No Heart
Kingdom Hearts 3D: Dream Drop Distance
Secret Portals \| Julius
Kingdom Hearts III
Dark Inferno
Kingdom Hearts III Re Mind
Real Organization XIII's Recreated Data \| Yozora