Dogmole Juggernaut 2014
CR 5 monstrosity
Large monstrosity, Unaligned
If the juggernaut burrows at half its burrowing speed, it can leave a 10-foot diameter tunnel in its wake.
If the juggernaut takes 15 damage or less that would reduce it to 0 hp, it is reduced to 1 hp instead.
The juggernaut has advantage on Strength and Dexterity checks and saving throws made against effects that would push it or knock it prone.
Actions
The dogmole juggernaut makes one Bite attack and two Claw attacks.
Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) piercing damage.
Melee Weapon Attack: +8 to hit, reach 5 ft., one target. it: 12 (3d4 + 5) slashing damage.
Reactions
When the juggernaut takes damage from a Small or larger insectoid Beast, such as a giant centipede, or when it deals damage to such a creature, it enters a special rage for 3 rounds. While in this rage, it has advantage on attack rolls and Strength checks and deals an extra 5 (2d4) piercing damage with its Bite attack, but its Armor Class is reduced by 2. The juggernaut can't end this rage willingly.
Other versions
Source: Tome of Beasts 1 (2023 Edition) (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details