Kronosaurus (5e Creature)
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Huge creature, unaligned
Charge. If the Kronosaurus moves at least 30 feet straight toward a target and hits it with a ram attack on the same turn, the target takes an extra 15 (3d10) bludgeoning damage. If the target is a a vehicle or creature over 30 feet long, it must make a strength saving throw of 17 or take double damage from this attack.
Huge Paddle Fins. The Kronosaurus has advantage on Strength or Dexterity saving throws made against effects that would Injure it. Underwater Camouflage. The Kronosaurus has advantage on Dexterity (Stealth) checks made while underwater.
Multiattack. The Kronosaurus makes three attacks: one with its bite, one with its ram, and one with its Paddles. Ram. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 16 (2d12 +7) bludgeoning damage.
Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 14 (3d10 +7) bludgeoning damage.
Paddles. Melee Weapon Attack: DC 16 Strength Save, reach 10 ft., multiple creatures. Hit: 8 (1d10 +7) bludgeoning damage and be pushed 15 feet away.
The Kronosaurus is an Apex oceanic predator, feeding mostly on whales and larger marine reptiles. It has a habit of challenging ships for territory often sinking them with its extremely dangerous charge.