Question: what are the dota 2 ranks?
Answer: Herald (0 to ~720 MMR)
Guardian (~840 to 1560 MMR)
Crusader (~1680 to 2400 MMR)
Archon (~2520 to 3240 MMR)
Legend (~3360 to 4080 MMR)
Ancient (~4200 to 4920 MMR)
Divine (~5040 to 5760 MMR)
Immortal (6000+ MMR)