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Dread spider

From UO:PvE Wiki

Dread spider is a monster or encounter npc. About D37–41.

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

At a glance#

PropertyValue
ClassificationMonster or encounter NPC
DifficultyAbout D37–41
AIAI_Mage
TamingNot marked tameable
Minimum taming skillNot specified
Control slotsNot specified

Attributes and damage#

AttributeValue or rangeInterpretation
Str196–220Source range
Dex126–145Source range
Int286–310Source range
Hits118–132Source range
Damage5–17Source range

Resistances#

AttributeValue or rangeInterpretation
Physical40–50Source range
Fire20–30Source range
Cold20–30Source range
Poison90–100Source range
Energy20–30Source range

Damage types#

AttributeValue or rangeInterpretation
Physical20Source range
Poison80Source range

Skills#

AttributeValue or rangeInterpretation
Eval Int65.1–80Source range
Magery65.1–80Source range
Meditation65.1–80Source range
Magic Resist45.1–60Source range
Tactics55.1–70Source range
Wrestling60.1–75Source range

Difficulty notes#

  • Freshly constructed ordinary wild creature; no paragon conversion, control/summon scaling, equipped/stat offsets, spell effects or special runtime transformations. Endless Journey expansion branches assumed. Missing skill/resistance assignments use zero. Numeric interval endpoints may not co-occur.

Loot eligibility#

Ordinary treasure is conditional on encounter eligibility

One shared difficulty gold/equipment budget can apply when the requested treasure theme is reached and all runtime eligibility checks pass. Conditions on the source loot calls still apply.

Requested gem, potion and scroll supplements use their separate theme/AI/body checks and one shared optional-supplement roll.

This evaluates definite source exclusions and requested themes. It does not inspect live ownership, summoned status, corpse contents or world spawns.

  • Creature is not deleted or a player.
  • Creature is not summoned, controlled or bonded.
  • Creature has no recorded owners.
  • NoKillAwards, IsInvulnerable and Blessed must all be false at generation time.
  • Ordinary loot is generated only once; existing generated gold and ordinary equipment consume that budget.

Difficulty-based loot budget#

For eligible wild creatures that request treasure, the difficulty system replaces ordinary gold and equipment rolls with one budget. A difficulty estimate crossing a tier boundary shows every possible tier. The eligibility and source-call conditions above still apply.

DifficultyGold budgetGuaranteed equipmentExtra item chancePropertiesIntensity
D21–4035–90035%1–215–35
D41–60100–220055%2–325–55

Loot and special drops#

Source calls describe requested themes, conditions and inventory. Ordinary equipment/gold are reconciled through DifficultyLoot; these calls are not additive guaranteed payouts. Runtime dispatch and conditional special rewards still apply.

Drop rules#

Loot requestInterpretationCondition
1 × Filthy Rich loot themeRequests ordinary treasure within one shared difficulty budget; repeated pack requests do not multiply the payout.No condition in extracted rule
PackLootItem(new SpidersSilk(8))Requests a newly created themed item: Spiders Silk. Ordinary equipment is rerolled at death; supply and map limits apply.No condition in extracted rule

Taming, resources and other properties#

PropertyValue
Hit PoisonPoison.Lethal
Poison ImmunePoison.Lethal
Treasure Map Level3
Fame5000
Karma-5000
Virtual Armor36
Body11
Base Sound ID1170

Matching slayers#

  • Arachnid Slayer (Super slayer)
  • Spider Slayer (Lesser slayer)

Summoning references#

This creature type is referenced by a summoning spell. That does not mean every instance is a summon; control and summon state change loot and progression eligibility.

Notes#

  • Source type availability does not establish a live spawn, location or current world count.

Related references#

Source notes

Show 36 references

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

  1. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:6
    Type declaration
  2. Projects/UOContent/Mobiles/Difficulty/NpcDifficulty.cs:25
  3. Projects/UOContent/Mobiles/Difficulty/DifficultyLoot.cs:29
  4. Projects/UOContent/Mobiles/Difficulty/DifficultyLoot.cs:37
  5. Projects/UOContent/Mobiles/Difficulty/DifficultyLoot.cs:314
  6. Projects/UOContent/Items/Weapons/SlayerGroup.cs:286
    Super slayer membership
  7. Projects/UOContent/Items/Weapons/SlayerGroup.cs:302
    Lesser slayer membership
  8. Projects/UOContent/Spells/Necromancy/AnimateDeadSpell.cs:28
    Referenced by a summon-related spell; this does not mean every instance is summoned.
  9. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:15
  10. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:16
  11. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:17
  12. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:19
  13. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:21
  14. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:23
  15. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:24
  16. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:26
  17. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:27
  18. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:28
  19. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:29
  20. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:30
  21. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:32
  22. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:33
  23. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:34
  24. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:35
  25. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:36
  26. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:37
  27. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:56
  28. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:44
  29. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:51
  30. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:50
  31. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:52
  32. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:39
  33. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:40
  34. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:42
  35. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:12
  36. Projects/UOContent/Mobiles/Monsters/Arachnid/Magic/DreadSpider.cs:13

Category: Monsters and NPCs