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Blood Oath

From UO:PvE Wiki

Binds caster and target for school-scaled [(Spirit Speak − target Resisting Spells) / 8 + 8] seconds. Either party already in an oath prevents a second oath.

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

Casting information#

PropertyValue
SchoolNecromancy
Circle
MantraIn Jux Mani Xen
Base mana13
ReagentsDaemon Blood
Base casting delay1.5 seconds base
Skill requirementNecromancy 20.0; check 20–60
Target range10 tiles

Effects and formulas#

  • Binds caster and target for school-scaled [(Spirit Speak − target Resisting Spells) / 8 + 8] seconds. Either party already in an oath prevents a second oath.
  • When the bound target damages the oath caster, the caster’s incoming damage modifier gains 20%. If the caster survives, the original damage is reflected to the attacker.
  • For a player oath caster the reflection uses the original damage without resistance mitigation. For a creature oath caster, reflected damage is trunc(original damage × [1 − (attacker Resisting Spells × 0.5 + 10) / 100]).
  • Death/deletion or curse removal breaks the bond.

Notes#

  • Magery–Necromancy school conflict can reduce the effects identified as school-scaled. Listed mana and cast delay are base values; equipment and casting rules modify actual costs and timing.

Source notes

Show 8 references

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

  1. Projects/UOContent/Spells/Necromancy/BloodOathSpell.cs:12
    Spell identity, reagents and implementation
  2. Projects/UOContent/Spells/Necromancy/NecromancerSpell.cs:11
    School cost and casting rules
  3. Projects/UOContent/Spells/Initializer.cs:103
    Registered spell ID
  4. Projects/UOContent/Spells/Targeting/ITargetingSpell.cs:8
    Default current-era target range
  5. Projects/UOContent/Spells/Necromancy/BloodOathSpell.cs:59
    Effect formulas, conditions and duration
  6. Projects/UOContent/Mobiles/PlayerMobile.cs:2759
    Player oath damage and reflection
  7. Projects/UOContent/Mobiles/BaseCreature.cs:1902
    Creature oath damage and reflection
  8. Projects/UOContent/Spells/Base/SpellSchoolConflict.cs:9
    Opposing-school penalty and effect scaling

Category: Spells