Osiredon the Scalis Enforcer

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Osiredon the Scalis Enforcer(UO Enhanced)
Osiredon the Scalis Enforcer(UO Classic)

The Osiredon the Scalis Enforcer is one of two boss-level monsters introduced with the High Seas expansion. He is said to be tougher than the Slasher of Veils in terms of difficulty. He was the first monster revealed with the High Seas expansion.

A Scalis can be summoned by tossing a Fabled fishing net.png Fabled Fishing Net into the water that either pull up Sea Serpents, Krakens and Leviathan or Scalis. GM Fishermans have a 25% chance to spawn Osiredon the Scalis Enforcer. Cannons on ships can also be used against them, although unlike any other creature currently in the game they can damage ships in return. Additionally, they will toss eels on board when ranged attacks are used against them.

Osiredon has high resistance against most types of damage, making him difficult to hurt. Also, similar to Corgul the Soulbinder, Osiredon the Scalis Enforcer activates a tainted life force aura which can cause life leech options/skill (i.e. Vampiric Embrace) to hurt the player rather than heal, making Sampire template relatively useless. One working method is to use Cannonball from Cannons, which will deal approximately 650 - 2230 damage (produced by an Orc Ship using Heavy Ship Cannons).


Osiredon the Scalis Enforcer Statistics
Spawn Locations See: Fabled fishing net.png Fabled Fishing Net
Fame Slayer Vulnerability
Karma Alignment Evil
First Seen Ultima Online: High Seas Pack Instinct None
Gold Magic Items
Special Level 7 Treasure Map, High Seas Artifacts Cut Up N/A
Strength 805 - 900 Hit Points 75,000
Dexterity 121 - 165 Stamina 121 - 165
Intelligence 125 - 137 Mana 4000
Barding Difficulty 160.0 Taming Difficulty N/A
Base Damage 19 - 26 Preferred Foods
Wrestling 122.9 - 128.0 Poisoning ---
Tactics 127.7 - 132.9 Magery 0 - 29.2
Resisting Spells 120.9 - 129.4 Evaluating Intelligence 0.0
Anatomy 0.0 Meditation 0.0
Detecting Hidden Hiding
Parrying Healing
Necromancy Spirit Speak
Mysticism Focus
Spellweaving Discordance
Bushido Ninjitsu
Chivalry Special Abilities Throws Parasitic Eels on targets. Necro magic.
Resists and Damage
Types Physical Fire Cold Poison Energy
Resistances 80% 80% - 90% 85 - 95% 80% - 90% 80% - 90%
Damage 40% --- 30% --- 30%
  • Note: Statistics taken from 7 Osiredon the Scalis Enforcers


Shortly after the launch of the High Seas booster, fiction regarding the Scalis was released.

See Also