Mosasaurus
Level 8+Not a dinosaur: a giant sea lizard, cousin to today's monitor lizards and snakes. Read the tale
Field notes
Not a dinosaur: a giant sea lizard, related to today's monitor lizards and snakes. It ruled the Late Cretaceous seas, 82-66 million years ago.
Where it lives
Primeval Isle, in Primeval. Seen from level 8. Its level depends on where you meet it: at home, how far from the village you are; on the other lands, that land's band, lowest near the harbour side. It is stronger at night.
How to calm it
Weak to (takes more): Energy +40%Earth +20%
Its attack: the sparks. It is steady (wind-up 0.8 s, then 2.4 s before the next).
Mosasauruses are weak to energy and earth. Watch for their sparks: step sideways when they glow, and the sparks fly past. Cleansed, they turn back into friendly animals.
Cleansed, it turns back into a friendly animal and wanders home.
What it leaves behind
| Item | Chance | How many |
|---|---|---|
| Scale | 60% | 2–3 |
| Dinosaur Scale | 40% | 1–2 |
Plus orange coins for everyone who helped, now and then a potion, and sometimes gear. Everyone in your party within 40 m gets their own roll.
Numbers
By level
| Level | Health | Attack | XP |
|---|---|---|---|
| 8 | 379 | 35 | 150 |
| 10 | 461 | 40 | 172 |
| 20 | 981 | 70 | 288 |
| 30 | 1,651 | 102 | 402 |
On a normal world. Elites (5% of creatures from level 6) have ×2.2 health, ×1.4 attack and give ×3 XP. World settings can make creatures gentler or fiercer.

Scale
Dinosaur Scale