Chapter 89: Tier List
https://docs.google.com/document/u/3/d/1-jMGm-N2xxBSPRBHna7pF84S5PCKzA7_nZcvSKKrCBQ
The link above is for anyone that wants to see it, and see how he ranks, that will be updated as the story progresses.
For now, here it is.
Tier List - Percy Jackson
EX [ Chaos ]
SS [Tartarus, Gaia, Uranus, Hemera, Nyx, Erebus,]
S - [Zeus, Odín, Thor, Sun Wukong, Fenrir, Jörmungandr, Cronus]
A [Poseidon, Hades, Hera, Heimdall, Loki,]
B [Demeter, Artemis, Apollo, Hestia, Hermes, Athena, Ares, Aphrodite, Hephaestus]
C [Heracles, Dionysus, Adam, Thanatos, Hecate]
D [Priapus, Hypnos, Nemesis, Triton]
E [Iris, Nike, Tyche, Hebe]
F [Monsters and some demigods]
Weekly Power Status
-- Power
Ranking 
-- Power
stone