Ranks I have Been:

Silver 1 ✓
Silver 2 ✓
Silver 3 ✓
Silver 4 ✓
Se ✓
Sem ✓
Gn1 ✓
Gn2 ✓
Gn3 ✓
Gn4 ✓
Mg ✓
Mg2 ✓
Mge ✓
Dmg ✓
Le ✓
Lem X
Supreme X
Global X

Current rank: DMG