How to hatch a lystro egg:

1. get 2 lystros (male and female)

2. Stick them in a house

3. On mobile, enable wandering

4. Whistle stop

5. They will mate, you can see mating progress if you look at the female

6. Get the fertilized egg

7. Get some campfires and drop the egg next to them. (Lit campfires)

If it says too cold or too hot, heat it by holding a torch or cool it by turning off a campfire.

8. Claim the lystro (push the creature rex bone at the top)

9. Give it berries so it doesn't starve

10. Do the imprinting tasks.

11. This works on all reptiles except Griffin and titanosaur.

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