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Health 3000 (Heart.png×1500)
Damage 4 (Heart.png×2)
Environment Ancient Cavern
Hostility Aggressive
Version 2.0

Boss Information[edit | edit source]

Penumbra is one of the bosses of the Ancient Cavern. Penumbra can be challenged by using a Erebon Shrine with 70 Hunter and Augury levels and a full Erebon Tribute bar. When defeated, it will respawn in its chamber 30 seconds later.

Drops[edit | edit source]

Unique drops
Item Quantity Looting Chance Notes
Nothing 99.5%
Rare Table 0.5% Chance is increased with each level of luck and/or looting.
The above pool is rolled 1 time.
Will only roll if the entity is killed directly by a player.
Nothing 13.8% Chance is decreased with each level of luck and/or looting.
Silver Coin.png Silver Coin 1-5 9.6%
Rotten Flesh.png Rotten Flesh 48-64 9.6%
Life Rune.png Life Rune 3-18 9.6%
Fire Rune.png Fire Rune 3-18 9.6%
Spider Eye.png Spider Eye 5-15 9.1%
Magic Repair Dust.png Magic Repair Dust 1-3 8.3%
Shining Power Stone.png Shining Power Stone 1-3 8.0%
Lava Bucket.png Lava Bucket 1-4 7.4%
Small Skill Crystal.png Small Skill Crystal 1-4 6.1%
Golden Apple.png Golden Apple 1 4.7%
Gold Coin.png Gold Coin 1-2 4.1%
The above pool is rolled 1-2 times, with an additional roll per point of Luck.
Nothing 65.8% Chance is decreased with each level of luck and/or looting.
Erebon Stickler.png Erebon Stickler 1 18.4%
Erebon Scythe.png Erebon Scythe 1 12.5%
Erebon Banner.png Erebon Banner 1 3.3%
The above pool is rolled 1 time.
32px Penumbra Statue 1 100.0%
The above pool is rolled 1 time.

Related Advancements[edit | edit source]

Icon Name Description Parent ID Hidden
The Outer Shadow Defeat Penumbra, champion of Erebon Challenger's Arena aoa3:ancientcavern/the_outer_shadow No
Erebon's Contender Craft a Gold Penumbra Statue The Outer Shadow aoa3:ancientcavern/erebons_contender No
Erebon's New Champion Craft an Ornate Penumbra Statue Erebon's Contender aoa3:ancientcavern/erebons_new_champion Yes

Trivia[edit | edit source]

A penumbra is a shadow cast over a portion of an object, generally referring to the moon.