Spirit Ring Classification:
White: 10 - 99 Year Spirit Ring
Yellow: 100 - 999 Year Spirit Ring
Purple: 1000 - 9999 Year Spirit Ring
Black: 10000 - 99999 Year Spirit Ring
Red: 100000 - 999999 Year Spirit Ring
Gold: 1000000 - 999999999 Year Spirit Ring
Grey: 1000000000 Year Spirit Ring
Spirit Ascension Platform:
Locked until 2nd Spirit Ring:
1st Level: 100 - 999 Year Spirit Beasts
Locked until 3rd Spirit Ring:
2nd Level: 1000 - 9999 Year Spirit Beasts
Locked until 5th Spirit Ring:
3rd Level: 10000 - 49999 Year Spirit Beasts
Locked until 7th Spirit Ring:
4th Level: 50000 - 99999 Year Spirit Beasts
Locked until 9th Spirit Ring:
5th Level: 100000 - 299999 Year Spirit Beasts (irreplaceable)
6th Level: 300000 - 599999 Year Spirit Beasts (irreplaceable)
7th Level: 600000 - 999999 Year Spirit Beasts (irreplaceable)
Locked until Godhood:
8th Level: 1000000 - 999999999 Year Spirit Beasts (irreplaceable)
9th Level: 1000000000 Year Spirit Beasts (irreplaceable)