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Health and stamina regeneration

From UO:PvE Wiki

Regeneration attributes change the interval between one-point recovery ticks.

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

Health regeneration#

For an ordinary player, begin with effective equipment Hit Point Regeneration. Humans add 2. Clamp this subtotal between 0 and 18. Horrific Beast then adds trunc(20×Necromancy school strength) after that clamp. Health tick interval =10÷(1+points) seconds. Each eligible tick restores 1 health.

Equipment HPR is separately capped at 2 / 4 / 8 / 12 by progression band. The 18-point calculation cap is therefore not an extra 18 points you can add to equipment. Human racial regeneration is included before that cap.

Health examples without a form#

Equipment HPRHuman intervalElf interval
03.333 s10 s
22 s3.333 s
41.429 s2 s
80.909 s1.111 s
120.667 s0.769 s

Stamina regeneration#

For an ordinary player, stamina points = min(24, effective equipment Stamina Regeneration + Vampiric Embrace bonus). The form bonus is trunc(15×Necromancy school strength). Clamp the final points to at least −1. Stamina tick interval =10÷(2+points) seconds, restoring 1 stamina each eligible tick.

With no equipment or form, the interval is 5 seconds. At 12 equipment points it is about 0.714 seconds. At the 24-point combined ceiling it is about 0.385 seconds. Focus is retired and does not add regeneration here.

Eligibility#

These ordinary player regeneration timers require being alive. The engine’s current default permits natural health regeneration while poisoned. This does not make a poisoned player eligible to drink a healing potion, and damage still interrupts bandaging.

Source notes

Show 7 references

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

  1. Projects/UOContent/Misc/RegenRates.cs:43
    Health points, Human bonus,18 cap and Horrific after cap
  2. Projects/UOContent/Misc/RegenRates.cs:82
    Stamina formula and 24 cap
  3. Projects/UOContent/Engines/Progression/EquipmentProgression.cs:99
    Equipment regeneration caps
  4. Projects/Server/Mobiles/Mobile.cs:692
    Natural regeneration eligibility and poison default
  5. Projects/Server/Mobiles/Mobile.cs:9027
    One health per tick
  6. Projects/Server/Mobiles/Mobile.cs:9044
    One stamina per tick
  7. Projects/UOContent/Skills/ShardSkillPolicy.cs:12
    Focus disabled

Category: Character & combat