This page provides a comprehensive overview of all the Age of Shadows (AOS) item properties. It details their effects, typical cap values, and usage notes—ideal for players fine-tuning their builds or administrators balancing server gameplay. Additional notes on Samurai Empire and Mondain's Legacy are included where relevant.

The Age of Shadows expansion introduced a wide array of new item properties that enhanced combat, magic, and overall gameplay in Ultima Online. These properties are organized into several categories:

1. Spellcasting Attributes
2. Weapon Attributes
3. Character Bonus Attributes
4. Resistances
5. Miscellaneous Attributes

Each property has its own effect and a typical cap value. Note that actual values can vary based on server configuration or subsequent expansions like Samurai Empire and Mondain's Legacy.

These properties primarily affect spellcasting efficiency and magical combat.

Faster Casting (Cast Speed)

1. Description: Reduces the time needed to initiate a spell.
2. Effect: Allows quicker spell initiation.
3. Cap: 2 (4 for Chivalry)
4. Notes: Best combined with Faster Casting Recovery to maximize overall spellcasting speed.

Faster Casting Recovery (Cast Recovery)

1. Description: Reduces the delay after casting a spell before another can be initiated.
2. Effect: Enables more rapid successive spell casts.
3. Cap: 6
4. Notes: Crucial for sustained magical combat.

Lower Mana Cost

1. Description: Decreases the mana required to cast spells.
2. Effect: Improves mana efficiency, allowing longer casting sessions.
3. Total Cap: 40%
4. Notes: Essential for mages who need to conserve mana in prolonged encounters.

Lower Reagent Cost

1. Description: Reduces the amount of reagents consumed per spell cast.
2. Effect: Lowers the reagent expenditure during spellcasting.
3. TotalCap: 100%
4. Notes: Helps maintain casting frequency without frequent trips for reagent restocking.

Spell Damage Increase

1. Description: Boosts the damage output of offensive spells.
2. Effect: Enhances the potency of magical attacks.
3. Total Cap: 40% bonus
4. Notes: Can be combined with other offensive attributes for a significant damage boost.

These properties affect physical combat and the performance of melee weapons.

Weapon Damage Increase

1. Description: Increases the damage dealt by physical attacks.
2. Effect: Raises overall weapon damage output.
3. Notes: Stacks additively with base weapon damage and other modifiers.

Weapon Speed Increase

1. Description: Improves the speed at which weapon strikes are executed.
2. Effect: Enables faster attack sequences.
3. Typical Cap: Varies (commonly around 40% bonus)
4. Notes: Critical for melee builds that rely on rapid attacks.

Hit Chance Increase

1. Description: Enhances the likelihood of landing a successful hit.
2. Effect: Improves overall accuracy during combat.
3. Typical Cap: Approximately 25–30%
4. Notes: Beneficial in both PvE and PvP scenarios.

Defend Chance Increase

1. Description: Improves the chance to successfully block or parry incoming attacks.
2. Effect: Reduces the number of successful enemy strikes.
3. Typical Cap: Approximately 25–30%
4. Notes: Adds a defensive edge, especially for frontline combatants.

Reflect Physical Damage

1. Description: Reflects a portion of the physical damage back to the attacker.
2. Effect: Acts as both a deterrent and a counterattack mechanism.
3. Typical Cap: Varies (commonly around 40%)
4. Notes: Offers a balance between offense and defense.

Enhance Potions

1. Description: Increases the potency of potions.
2. Effect: Amplifies the healing or buff effects provided by potions.
3. Typical Cap: Up to 100% bonus (effectively doubling potion strength)
4. Notes: Especially useful in prolonged battles or critical moments.

These properties directly affect a character’s base statistics and resource management.

Bonus Strength / Dexterity / Intelligence

1. Description: Provides an increase to the character’s primary stats.
2. Effect: Enhances physical power, agility, or magical prowess respectively.
3. Typical Values: Varies by item (commonly +1 to +10, sometimes higher)
4. Notes: Helps meet stat requirements for high-level gear.

Bonus Hit Points / Stamina / Mana

1. Description: Increases the maximum health, stamina, or mana.
2. Effect: Improves survivability and resource capacity.
3. Typical Values: Varies by item
4. Notes: Vital for enduring extended combat or magical duels.

Regeneration Rates (Hit Points, Stamina, Mana)

1. Description: Enhances the rate at which these resources naturally regenerate.
2. Effect: Reduces downtime between battles by quickening recovery.
3. Typical Values: Varies by item
4. Notes: Important for builds that require rapid recovery during sustained encounters.

Lower Stat Requirements

1. Description: Reduces the required statistics needed to equip items.
2. Effect: Allows characters with lower base stats to use high-level gear.
3. Typical Cap: Can often reduce requirements by up to 100%
4. Notes: Provides flexibility in character builds and gear utilization.

Luck

1. Description: Increases the character’s luck, influencing various random outcomes (such as loot ).
2. Effect: Enhances chance-based effects in combat and gameplay.
3. Typical Values: Varies by item
4. Notes: Often synergizes with other bonuses for optimal benefit.

Items may also grant bonuses to resist various damage types:

Physical Resistance

1. Description: Reduces the damage taken from physical attacks.
2. Typical Values: Varies by item

Fire Resistance

1. Description: Reduces damage from fire-based attacks.
2. Typical Values: Varies by item

Cold Resistance

1. Description: Mitigates damage from cold-based effects.
2. Typical Values: Varies by item

Poison Resistance

1. Description: Lowers the damage or duration of poison effects.
2. Typical Values: Varies by item

Energy Resistance

1. Description: Decreases damage from energy-based attacks.
2. Typical Values: Varies by item

Other properties that do not neatly fall into the above categories include:

Self Repair

1. Description: Grants the item a chance to automatically repair itself over time.
2. Effect: Increases the longevity and durability of the item.
3. Typical Values: Varies by item
4. Notes: Reduces the need for frequent repairs.

• Ultima Online Official Documentation
• Detailed Breakdown of Item Attributes
• Server Administration Guidelines
• Ultima Online Community Forums