Omega Ring

Cannot be auctioned, traded, or bazaared, but can be delivered to a character on the same account.
Can be obtained as a random reward from the Gobbie Mystery Box Special Dial and similar sources.

Omega is the 24th and final letter in the Greek alphabet. Because of this, the word is often used to denote the last, the end, or the ultimate limit of a set, in contrast to Alpha, the first letter of the Greek alphabet. In the Greek numeric system, it has a value of 800.