Ｈｏｗ Ａｒｅｎａ ４ ｗｉｌｌ ｌｏｏｋ ｌｉｋｅ

The following is what i think how Arena 4 might really look like. I am just using Ultimate Arena 2 and reinforcing it vastly unlike in Arena 3 where the only reinforcements are PadR Dragons and Tans.

All enemies are between Legend + and Mythical + level like Ultimate Arena 3.

B1F - Same as Arena 2, Archangel the 2nd skill up baitx2
B2F - Kaguya Hime/Yamatsumi/LIzanami/DIzanami
B3F - Random 1 Reincarnated Knight (The mid bosses from Star Justice descended)
B4F - Devils x2
B5F - Alnair (Machine Athena)/Sadalmerik (Machine Hera)/Diadem (Machine Zeus)/Sherospada/Hysferzen/Folklore
B6F - Random 3 - Odin Tamadra, Blodin Tamadra, Ronia Tamadra, Blonia Tamadra, Gronia Tamadra, Ra Tamadra, Dark Metatron Tamadra (From Legendary Sea of Trees)
B7F - Zhou Yu/Xa wuzheng/Sopdet/Zhu Bajie/Deus Ex Machina/Indigo/Aamir
B8F - Awoken Venus/Neptune/Ceres/Minerva/Hades/Heimdallr/Aegir/Hel/Hepaesetus
B9F - Random 1 Contract Dragon/Dimension Dragon
B10F - Seraphis/Shuten-Doji/Takemikazuchi
B11F - Another Geist/Another Justice/Another Crusader/Black Agni (100% Drop)
B12F - Lalia/Leeza/Weejas (From Challenge Dungeons, This part might be incomplete)
B13F - Sonia Gran Reverse/Zeus and Hera
B14F - Khepri (This part may be incomplete)
B15F - Myr
B16F - Random 1 - Uvo Flaredraal/Uvo Volcano Dragon/Uvo Angelion/Uvo Chaos Devil Dragon
B17F - Awoken Shiva/Parvati/Meimei/Kagutsuchi/Atermis/Hermes/Apollo
B18F - Illya/Grisar
B19F - Vishnu/Pure=Machina/Hera Ur AgeAge/Uvo Hera-Is
B20F - Ilsix/Sevenzard/Zaerog/Lifive/Achtros & Dieghk
B21F - Uvo Goemon/Uvo Hera/Uvo Athena/Uvo Beelzelbub/Uvo Tengu/Archangel Lucifer (From previous challenge of a lifetime with Rogue Boss)
B22F - Zaerog∞/Volsung/Nordis/Gainaut/Linthia/Scarlet (With Annihilation-class stats, Drops +66 eggs, 100% Drop)
B23F - Machine Hera/Machine Zeus/Machine Athena (Slightly weaker than in Annihilation, Drops Windsor)
B24F - Random 1 Uvo Kali
B25F - 4 Pys, HP over 40, Attack over 8000 (Drops 100%)
End Result - A descend invade, a +66 Rogue boss, A Py and maybe a Windsor