Phase Spider

Phase Spider

Large monstrosity · CR 3 · 700 XP

14 AC · 45 HP

Roll the Phase Spider

Bite

Press a roll button. The dice land here.

Stat block

Type
Large monstrosity, unaligned
Armor Class
14
Hit Points
45 (7d10 + 7)
Speed
30 ft., climb 30 ft.
Challenge
3 (700 XP), proficiency +2
Senses
darkvision 60 ft., passive perception 10
Languages
None
STRDEXCONINTWISCHA
15
16
12
6
10
6

Phase Spider odds against your Armor Class

Chance to hit, then average damage per attack once misses and critical hits are counted.

AttackAC 12AC 14AC 15AC 16AC 18AC 20
Bite (+5)70%
13 dmg		60%
11.2 dmg		55%
10.4 dmg		50%
9.5 dmg		40%
7.7 dmg		30%
6 dmg
Full turn (2 attacks)25.9 dmg22.4 dmg20.7 dmg19 dmg15.5 dmg12 dmg

Phase Spider hit points

The stat block uses the average, 45. Rolled, 7d10 + 7 lands anywhere from 14 to 77.

14: 0.00%15: 0.00%16: 0.00%17: 0.00%18: 0.00%19: 0.00%20: 0.01%21: 0.02%22: 0.03%23: 0.05%24: 0.08%25: 0.12%26: 0.18%27: 0.27%28: 0.37%29: 0.51%30: 0.68%31: 0.89%32: 1.14%33: 1.42%34: 1.74%35: 2.10%36: 2.47%37: 2.87%38: 3.27%39: 3.66%40: 4.03%41: 4.37%42: 4.66%43: 4.89%44: 5.04%45: 5.12%46: 5.12%47: 5.04%48: 4.89%49: 4.66%50: 4.37%51: 4.03%52: 3.66%53: 3.27%54: 2.87%55: 2.47%56: 2.10%57: 1.74%58: 1.42%59: 1.14%60: 0.89%61: 0.68%62: 0.51%63: 0.37%64: 0.27%65: 0.18%66: 0.12%67: 0.08%68: 0.05%69: 0.03%70: 0.02%71: 0.01%72: 0.00%73: 0.00%74: 0.00%75: 0.00%76: 0.00%77: 0.00%
14chance of each total for 7d10 + 777
Hit pointsChance
30 or more98%
46 or more50%
61 or more2%
71 or more<1%

Traits

Ethereal Sight. The spider can see 60 feet into the Ethereal Plane while on the Material Plane and vice versa.

Spider Climb. The spider can climb difficult surfaces, including along ceilings, without needing to make an ability check.

Web Walker. The spider ignores movement restrictions caused by webs, and the spider knows the location of any other creature in contact with the same web.

Actions

Multiattack. The spider makes two Bite attacks.

Bite. Melee Attack Roll: +5, reach 5 ft. Hit: 8 () Piercing damage plus 9 () Poison damage. If this damage reduces the target to 0 Hit Points, the target becomes Stable, and it has the Poisoned condition for 1 hour. While Poisoned, the target also has the Paralyzed condition.

Bonus actions

Ethereal Jaunt. The spider teleports from the Material Plane to the Ethereal Plane or vice versa.

Other CR 3 monsters

Ankylosaurus Basilisk Bearded Devil Blue Dragon Wyrmling Bugbear Stalker Doppelganger Giant Scorpion Gold Dragon Wyrmling Green Hag Hell Hound Hobgoblin Captain Killer Whale

This page includes material from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, available at dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License. The averages, odds and tables are ours.