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Training your pet’s level

From UO:PvE Wiki

Permanent companions can reach level 30 and gain up to 10% extra damage against eligible monsters.

Development source reviewed on 29 October 2026. In-game availability is unverified.

Read your companion’s progress#

Use [PetLevel and target a controlled, nonsummoned pet that belongs to you. Pets begin at level 1 and cap at level 30. Advancing from level L requires 250 + 75 × L² additional XP.

Pet levelTotal XPNominal PvM damage bonus
100.00%
53,2501.38%
1023,6253.10%
1579,6254.83%
20190,0006.55%
25373,5008.28%
30648,87510.00%

Earn experience together#

The pet must contribute positive damage to an eligible recorded encounter. At completion, both pet and owner must be alive, on the target’s map and within 24 tiles. The pet must still be controlled and nonsummoned, and the owner must meet its companion-clearance requirements and have a recorded encounter contribution.

Difficulty must be meaningful for the owner. Pet XP is the encounter XP budget multiplied by the pet’s credited damage divided by the encounter’s recorded maximum health, rounded down. Summons do not earn these permanent-pet levels.

What the bonus changes#

With progression enabled, a qualifying controlled pet gains up to 10% extra damage against eligible monster targets. The formula adds damage × (level − 1) × 10 ÷ 2,900, using integer arithmetic. Small hits can round the bonus down to zero.

This training bonus does not apply to damage against players. Pet levels do not increase the owner’s follower-slot budget or waive companion progression gates.

Source notes

Show 5 references

These references identify the reviewed shard files. Source presence does not establish live availability.

  1. Projects/UOContent/Engines/Progression/PetLevels.cs:14
    Level cap, player command, XP curve and damage calculation.
  2. Projects/UOContent/Engines/Progression/PetLevels.cs:61
    Completion and eligibility conditions.
  3. Projects/UOContent/Engines/Progression/EncounterSystem.cs:121
    Pet contribution hook.
  4. Projects/UOContent/Engines/Progression/EncounterSystem.cs:277
    Pet completion hook.
  5. Projects/UOContent/Mobiles/BaseCreature.cs:4503
    Damage bonus integration.

Category: Character & combat