Sources
CR
Type
Size
Alignment
Movement

The Keeper

Huge Keeper, Neutral

Armor Class 17 (chain mail)
Hit Points 126 (11d12 + 55)
Speed 40 ft.
STR
23
+6
DEX
15
+2
CON
20
+5
INT
10
+0
WIS
12
+1
CHA
9
-1
Saving Throws DEX +5, CON +8, WIS +4
Skills Athletics +12, Perception +4
Senses darkvision 60 ft., passive Perception 14
Languages Keeper
Challenge 7 (2,900 XP)

Actions

Multiattack. The Keeper makes two battleaxe attacks.

Battleaxe +1. Melee Weapon Attack: +10 to hit, reach 15 ft., one target. Hit:20 (3d8 + 7) slashing damage, or 23 (3d10 + 7) slashing damage if used with both hands.

Rock. Ranged Weapon Attack: +9 to hit, range 60/240 ft., one target. Hit:28 (4d10 + 6) bludgeoning damage. If the target is a creature, it must succeed on a DC 17 Strength saving throw or be knocked prone.

Reactions

Rock Catching. If a rock or similar object is hurled at the Keeper, the giant can, with a successful DC 10 Dexterity saving throw, catch the missile and take no bludgeoning damage from it.