5e:Mammoth Spider

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User Creation
Source: Rlyehable
Date Created: 2020-05-16
Status: 1st draft

Mammoth Spider [1]
Huge beast  (spider), unaligned
Armor Class: 16
Hit Points: 95 (10d12+30)
Speed: 30 ft., climb 30 ft.
Str Dex Con Int Wis Cha
18 (+4) 16 (+3) 16 (+3) 6 (-2) 16 (+3) 14 (+2)
Skills: Intimidation +7, Stealth +7
Damage Resistances: poison
Senses: Blindsight 30 ft., darkvision 120 ft., passive perception 13
Challenge: 5 (1,800 xp)Proficiency Bonus (PB): +3


Spider Climb. The spider climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. [2]

Web Sense. While in contract with a web, the spider knows the exact location of any other creature in contact with the same web.

Web Walker. The spider ignores movement restrictions caused by webbing. 


Multiattack. The spider makes a web attack and two melee attacks (only 1 of which may be a bite).

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (3d8+4) piercing damage, and the target must make a DC 14 Constitution saving throw, taking 14 (4d8) poison damage on a failed save, or half [3] as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.

Claw. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 18 (4d8+4) slashing or bludgeoning damage (spider's choice).

Web (Recharge 4-6). Ranged Weapon Attack: +6 to hit, range 40/120 ft., one target. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 14 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 12; hp 10; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).

A mammoth spider, as the name implies, is a spider with the mass of an elephant.

Sources and Notes

  1. user:Rlyehable. Created: 2020-05-16. Licensed: CC-BY-SA.
  2. Note: The surface it is climbing on must be able to support the spider's weight or may collapse and be destroyed.
  3. Rule Tip: Round Down. Whenever you end up with a fraction in the game, round down, even if the fraction is one-half or greater, unless a rule explicitly tells you to round up. - Player's Handbook (5e) p.7, UA 2020 Subclasses Part 3.

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