The range of this is 60ft.

You mature at the same rate as humans and reach adulthood at the age of 50

Beholderborn do not always turn evil, many of them just turn up there because of their ancestry.

Your common is understandable for most but for some people it is tricky.

If your hands are cut off new ones will replace them in 1D12 hours.

At 3rd level to get to choose two Eye Rays from the list bellow, all of which are detailed in the Monster Manual page 28.

The saving throw for you Eye Rays is 10 plus half your level (rounded down, on level 13 it would be DC16). 

The Eye Rays deal 1D8 damage on 3rd level, 2D8 on 7th level, 3D8 on 11th level and 4D8 on 15th level (unless it says in the Monster Manual that it deals no damage for example Sleep ray or Fear Ray). To change an Eye Ray from one to another you must perform a 3 hour ritual, during this ritual you must not be disturbed or else it fails.

1. Charm Ray

2. Paralyzing Ray

3. Fear Ray

4. Slowing Ray

5. Enervation Ray

6. Telekinetic Ray. Prerequisite 7th level

7. Sleep Ray. Prerequisite 7th level

8.Petrification Ray. prerequisite 11th level

9. 

Your Constitution score increases by 2, and your wisdom score increases by 1.

At 7th level you can open the Center Eye on your belly to create a 10 ft. antimagic cone. The cone is only active if you use an action to open it (if you do this you can neither use bonus actions), it closes at the start of your next turn unless you use your action to keep it open.

The cone's range increases on 11th level to 15 ft. and on 15th level to 20 ft.

You are of heavy build and reach an average height of 6-7ft. Your size is medium.