Multiattack. The tyrannosaurus makes two attacks: one with its bite and one with its tail. It can't make both attacks against the same target.
Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 33 (4d12 + 7) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the tyrannosaurus can't bite another target.
Tail. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 20 (3d8 + 7) bludgeoning damage.
How many tyrannosaurus rexes for a fight?
A tyrannosaurus rex is worth 3,900 XP. Using the 2024 encounter budgets (SRD 5.2), this is how many tyrannosaurus rexes fit each difficulty for a party of four characters of the same level. A dash means even one would be over the budget.
Party level
Low
Moderate
High
5th
—
—
1
6th
—
1
1
7th
—
1
1
8th
1
1
2
9th
1
2
2
10th
1
2
3
11th
1
2
4
12th
2
3
4
13th
2
4
5
14th
2
5
6
15th
3
5
8
16th
3
6
10
17th
4
7
12
18th
5
8
12+
19th
5
10
12+
20th
6
12+
12+
Budgets add up every monster’s XP, so you can swap some for other creatures of the same total. Try other party sizes and mixes in the encounter calculator.
How the tyrannosaurus rex compares at CR 8
Against the 9 other challenge 8 monsters in the SRD 5.1, the tyrannosaurus rex has more hit points than 4 of them, which makes it a little frailer than most at its CR. See every CR 8 monster.
Statistic
Tyrannosaurus Rex
CR 8 average
Armor Class
13
15.8
Hit points
136
116
Best attack bonus
+10
+7
Tyrannosaurus Rex 2024 stat block
The 2024 Monster Manual revised the tyrannosaurus rex, and the SRD 5.2 carries the new stat block. What changed:
The numbers are the same; the text follows the 2024 rules glossary.
Armor Class
13
Hit Points
136 (13d12 + 52)
Speed
50 ft.
Challenge
8 (3,900 XP)
STR
DEX
CON
INT
WIS
CHA
25 (+7)
10 (+0)
19 (+4)
2 (-4)
12 (+1)
9 (-1)
Senses
passive Perception 14
Languages
None
Actions
Multiattack. The tyrannosaurus makes one Bite attack and one Tail attack.
Bite. Melee Attack Roll: +10, reach 10 ft. Hit: 33 (4d12 + 7) Piercing damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 17). While Grappled, the target has the Restrained condition and can’t be targeted by the tyrannosaurus’s Tail.
Tail. Melee Attack Roll: +10, reach 15 ft. Hit: 25 (4d8 + 7) Bludgeoning damage. If the target is a Huge or smaller creature, it has the Prone condition.