1

Of the Mammoth

Strength is set to 21 unless it is already higher.

2

Of the Tiger

Dexterity is set to 21 unless it is already higher.

3

Of the Whale

Constitution is set to 21 unless it is already higher.

4

Of the Raven

Intelligence is set to 21 unless it is already higher.

5

Of the Hippogriff

Wisdom is set to 21 unless it is already higher.

6

Of the Griffon

Charisma is set to 21 unless it is already higher.

7

Of the Heavens

All Attributes are  set to 15 unless it is already higher.

8-9

Of the Wyrmling

You can regain one spell slot of 4th level or lower as an action while you're wearing this item. You can't use this property again until you finish a long rest.

10

Of the Dragon

You can regain one spell slot of 5th level or lower as an action while you're wearing this item. You can't use this property again until you finish a long rest.

11-12

Of the Dark

The magic item emits magical darkness in a 20-foot radius, and reduces all nonmagical light to dim light for an additional 20 feet. Nonmagical light can't illuminate the area, but a creature with darkvision can see through the darkness.