Large Monstrous Spider (3.5e Creature)

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Large Monstrous Spider[edit]

Type: Vermin
Environment: Forest (although many others are possible)
Organization: Solitary, Pair, Swarm (3-10) or Colony (11+, plus Monstrous Spiders of other sizes).
Challenge Rating: Spiderling 1/4; very young 1/2; young 1; juvenile 1; young adult 2; adult 4; mature adult 6; old 8; very old 10; Elder 12; Ancient 14; Archaic 16
Treasure: None
Alignment: Neutral
Advancement: Spiderling — HD; very young — HD; young — HD; juvenile — HD; young adult 4-11 HD (Large) HD; adult 12-15 (Large) HD; mature adult 17-19 (Large) HD; old 21-23 (Large) HD; very old 25-29 (Large) HD; elder 31-31 (Large) HD; Ancient 33-35 (Large) HD; archaic 37+ (Large) HD
Level Adjustment:
Large Monstrous Spiders by Age
Age Size Hit Dice (hp) Str Dex Con Int Wis Cha Base Attack/
Grapple
Attack Fort Save Ref Save Will Save Poison Str Damage (DC) Frightful Presence DC
Spiderling T 1/2d8 (2) 3 17 10 10 2 +0/-12 Bite +5 (d3-4) +2 +3 +0 d2 (10)
Very young S 1d8 (4) 7 17 10 10 2 +0/-6 Bite +4 (d4-2) +2 +3 +0 d3 (10)
Young M 2d8+2 (11) 11 17 12 10 2 +1/+1 Bite +5 (d6) +4 +3 +0 d4 (12)
Juvenile M 3d8+3 (16) 11 17 12 10 2 +2/+6 Bite +6 (d6) +4 +3 +0 d4 (12)
Young adult L 4d8+4 (22) 15 17 12 10 2 +3/+9 Bite +4 (d8+3) +5 +4 +1 d6 (13)
Adult L 12d8+12 (66) 15 17 12 10 2 +9/+19 Bite +12 (d8+3) +9 +7 +4 d6 (17)
Mature adult L 16d8+18 (99) 18 21 15 12 2 +12/+24 Bite +20 (d8+4) +12 +10 +6 d8 (20)
Old L 20d8+80 (170) 20 24 19 12 2 +15/+27 Bite +22 (d8+5) +16 +13 +7 d8 (24)
Very old L 24d8+144 (252) 22 26 22 12 2 +18/+31 Bite +26 (2d6+6) +20 +16 +9 d8 (28)
Elder L 28d8+196 (322) 24 28 24 12 2 +21/+36 Bite +34 (2d6+7) +23 +18 +10 2d6 (31)
Ancient L 32d8+256 (400) 26 30 26 12 2 +24/+40 Bite +33 (2d6+8) +26 +20 +11 2d6 (34)
Archaic L 36d8+304 (475) 28 32 28 12 2 +27/+36 Bite +40 (2d6+9) +29 +33 +13 2d6 (37)


Large Monstrous Spider Abilities by Age
Age Speed Initiative AC Special Abilities Caster Level SR
Spiderling 20ft. (Climb 10ft.) +3 15, touch 15,
flat-footed 12
Vermin Traits, Monstrous Spider Traits
Very young 30ft. (Climb 20ft.) +3 14, touch 14,
flat-footed 11
Young 30ft. (Climb 20ft.) +3 14, touch 14,
flat-footed 11
Juvenile 30ft. (Climb 20ft.) +3 14, touch 13,
flat-footed 11
Young adult 30ft. (Climb 20ft.) +3 14, touch 12,
flat-footed 11
Adult 30ft. (Climb 20ft.) +3 15, touch 13,
flat-footed 12
Mature adult 30ft. (Climb 20ft.) +5 19, touch 15,
flat-footed 13
Old 30ft. (Climb 20ft.) +7 22, touch 17,
flat-footed 14
Very old 30ft. (Climb 20ft.) +8 24, touch 18,
flat-footed 15
Elder 30ft. (Climb 20ft.) +9 26, touch 19,
flat-footed 16
Ancient 30ft. (Climb 20ft.) +10 28, touch 20,
flat-footed 17
Archaic 30ft. (Climb 20ft.) +11 30, touch 21,
flat-footed 18


Spider Age Categories[edit]
Category Age (Years)1
1 Spiderling 2 months
2 Very young 3-4 months
3 Young 5 months
4 Juvenile 6 months
5 Young adult 7 months
6 Adult 8-12 months
7 Mature adult 1–400
8 Old 401–600
9 Very old 601–800
10 Elder 801–1,000
11 Ancient 1,001–1,200
12 Archaic 1,201 or more
  1. Most spiders will not live past adulthood. 25% of
    Monstrous Spiders have enough residual magical
    energies within it to gain an extended lifespan.


This creature has a oval-shaped body split in the middle into two segments. The rear segment is large and bulbous, while the front segment has 8 long, spindly legs, two smaller frontal "pedipalps", and scissor-like fangs. A perfectly ordinary spider. Except for one tiny detail. It is about 10 feet long.

All monstrous spiders are aggressive predators that use their poisonous bites to subdue or kill prey.

Monstrous spiders come in two general types: hunters and web-spinners. Hunters rove about, while web-spinners usually attempt to trap prey. Hunting spiders can spin webs to use as lairs, but cannot use their webs as weapons the way web-spinners can. A hunting spider has a base land speed 10 feet faster than the figures given in the statistics blocks.

Combat[edit]

Poison (Ex): A monstrous spider has a poisonous bite. The details vary by the spider’s size and age category, as shown on Table: Medium Monstrous Spiders by Age. The damage shown is primary and secondary damage, and is strength damage.

Web (Ex): Both types of monstrous spiders often wait in their webs or in trees, then lower themselves silently on silk strands and leap onto prey passing beneath. A single strand is strong enough to support the spider and one creature of the same size. Web-spinners can throw a web eight times per day. This is similar to an attack with a net but has a maximum range of 50 feet, with a range increment of 10 feet, and is effective against targets up to one size category larger than the spider. An entangled creature can escape with a successful Escape Artist check or burst it with a Strength check. Both are standard actions whose DCs are given in the table below. The check DCs are Constitution-based, and the Strength check DC includes a +4 racial bonus.

Web-spinners often create sheets of sticky webbing from 5 to 60 feet square, depending on the size of the spider. They usually position these sheets to snare flying creatures but can also try to trap prey on the ground. Approaching creatures must succeed on a DC 20 Spot check to notice a web; otherwise they stumble into it and become trapped as though by a successful web attack. Attempts to escape or burst the webbing gain a +5 bonus if the trapped creature has something to walk on or grab while pulling free. Each 5-foot section has the hit points given on the table, and sheet webs have damage reduction 5/—.

A monstrous spider can move across its own web at its climb speed and can pinpoint the location of any creature touching its web.

Size Escape Artist DC Break DC Hit Points
Tiny 10 14 2
Small 10 14 4
Medium 12 16 6
Large 13 17 12

Tremorsense (Ex): A monstrous spider can detect and pinpoint any creature or object within 60 feet in contact with the ground, or within any range in contact with the spider’s webs.

Skills: Monstrous spiders have a +4 racial bonus on Hide and Spot checks and a +8 racial bonus on Climb checks. A monstrous spider can always choose to take 10 on Climb checks, even if rushed or threatened. Monstrous spiders use either their Strength or Dexterity modifier for Climb checks, whichever is higher. *Hunting spiders have a +10 racial bonus on Jump checks and a +8 racial bonus on Spot checks. Web-spinning spiders have a +8 racial bonus on Hide and Move Silently checks when using their webs.

Tiny Monstrous Spider Skills: Climb +11, Hide +15*, Jump –4*, Spot +4*

Small Monstrous Spider Skills: Climb +11, Hide +11*, Jump –2*, Spot +4*

Medium Monstrous Spider Skills: Climb +11, Hide +7*, Jump +0*, Spot +4*

Large Monstrous Spider Skills: Climb +11, Hide +3*, Jump +2*, Spot +4*

Feats: Weapon Finesse (Bite)



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