You can rank-up in three ways.
1st way
Taking a re-test. You can re-test three weeks after your first test. Re-Test cost 200 EDA Cash.
2nd way
By number of posts
From Slifer to Ra - 70 posts
From Ra to Obelisk- 140 posts
3rd way
By paying with EDA Cash
From Slifer to Ra - 1200 EDA Cash
From Ra to Obelisk - 2200 EDA Cash
SPECIAL WAY
Once per month will be organized a duel against 2 duelists.
An example: Slifer member vs Ra member or Ra member vs Obelisk member.
The winner and the loser will switch their dorms.