Mortal Arena runs from difficulty 1 to 1, and everything in it drops at item level 120 no matter how deep you go. It opens at character level 100, and you go in alone or with a party you brought.
Wipe here and you lose nothing.
33 bases and 34 Uniques drop here, and 7 bosses belong to it: Imp Overlord, Frost Wyrm, Cinder Wyrm, The Spider King, Thunderroc, The Mountain Sire and The Dawn Matron.
Modes
1 mode
| Mode | Goes up to | iLvl | Loot × | XP × | Getting in | Renown | |
|---|---|---|---|---|---|---|---|
 | Mortal Arena no matchmaking · effective threat 48+2/step |
1 | 120 | ×1.6 | ×0 | Lv 100 | 300 + 0/step |
Bosses
7 bosses
| Boss | Biome | HP | Uniques here | |
|---|---|---|---|---|
 | Imp Overlord | Demon Gate | 960 | 1 |
 | Frost Wyrm | Frostmere Reach | 1050 | 2 |
 | Cinder Wyrm | Cinder Forge | 900 | 3 |
 | The Spider King | The Sporeveil | 1140 | 1 |
 | Thunderroc | Skyreach Bastion | 930 | 5 |
 | The Mountain Sire | Cragmaw Deep | 1350 | 2 |
 | The Dawn Matron | Dawnspire Sanctum | 1020 | 8 |
Uniques you can find here
Tithe of the Court
Immaculate Mortalcoil Band · Imp Overlord
Bellows-Stride
Exalted Warpath Boots · Cinder Wyrm
The Furnace Psalter
Exalted Epitaph Tome · Cinder Wyrm
The Ember Ledger
Immaculate Ransom Band · Cinder Wyrm
Solstice Vigil
Immaculate Wintersend Band · Frost Wyrm
The Long Slide
Exalted Stargrazer Boots · Frost Wyrm
The Spider King's Brood
Perfect Firstseed Staff · The Spider King
Downdraft
Exalted Stargrazer Boots · Thunderroc
Static Cling
Immaculate Stormheart Band · Thunderroc
Fulgurite
Sovereign Cometshard Dagger · Thunderroc
The Stoop
Exalted Warpath Boots · Thunderroc
Talonhook
Sovereign Veinseeker Dagger · Thunderroc
Bedrock Testament
Sovereign Anchor Tower Shield · The Mountain Sire
The Mountain Sire's Spine
Sovereign Atlas Zweihander · The Mountain Sire
The Second Verse Circlet
Sovereign Saint's Helm · The Dawn Matron
The Dawn Offertory
Immaculate Suncrown Band · The Dawn Matron
The Dawn Matron's Vestment
Exalted Aegisheart Mail · The Dawn Matron
The Usher's Aegis
Sovereign Dawnsworn Shield · The Dawn Matron
Doxology
Perfect Goldenchord Staff · The Dawn Matron
Matins
Perfect Lastdawn Staff · The Dawn Matron
The Evensong
Eternal Ancestor Relic · The Dawn Matron
The Noonday Crown
Eternal Godspark Relic · The Dawn Matron
The Long Amen
Perfect Lastdawn Staff · drops anywhere
The Shut Gate
Sovereign Dawnsworn Shield · drops anywhere
Getting in, and what it costs to fail
before you walk in
Opens at level100
Opens at Threat1
Gold lost on a wipenone
XP lost on a wipenone
XP you keep from the runnone
Renown lost on a wipenone
Costs you the characterno