The Arena bestiary contains enemies with 70 HP and above (although there is an area where Medusa Heads can be seen,which have 30 HP). These are the enemies that can be found in the area: Gargoyle, Beam Skeleton, Dead Crusader, Killer Mantle, Skull Millione, Gladiator, Red Minotaur, Weretiger, Giant Skeleton, Lubicant, Erinys, Medusa Head, Arc Demon, Lilith, Succubus, and Bael.The Arena has the boss appear in the bottom-left corner of the map. While it may first appear to be a Giant Bat, it is quickly killed in a cutscene by the true boss, Balore. However, you still obtain the Giant Bat soul.
On the right-hand side of the elevator leading to Balore, there are a few long corridors containing either a challenge to complete. At the end of each corridor is a relatively powerful weapon, provided you didn't collect a more powerful one already.
|Soma Cruz - Mina Hakuba - J./Julius Belmont - Yoko Belnades - Genya Arikado (Alucard) - Hammer|
|Creaking Skull - Manticore - Great Armor - Big Golem - Headhunter - Death - Legion - Balore - Chaos|
|Castle Corridor - Chapel - Study - Dance Hall - Inner Quarters - Floating Garden - Clock Tower|
Underground Reservoir - Underground Cemetery - The Arena - Top Floor - Forbidden Area - Chaotic Realm
|Castlevania: Aria of Sorrow & Castlevania: Dawn of Sorrow Original Soundtrack|
|Futabasha Official Guide - NTT Pub Official Guide|
|Bestiary - Inventory - Julius Mode - Voice Translations|