Here is the full list of all 36 Hermes: Sibyls' Prophecy achievements.
You found the real Cunning without first choosing one of her clones!
You concluded an agreement with the Moirai!
You have found 90 hidden objects!
You cleansed the water!
You have freed five Sibyls!
You fully restored the Acropolis!
You have created two paths of clouds!
You have removed 48 banners!
You dispelled the fog!
You made a trade with Hades!
You have summoned four Sibyls!
You have defeated five cyclopes!
You have chased away 18 satyrs!
You have restored four temples!
You found the correct passage without making a mistake!
You have banished Typhon twice!
You have chased away seven wolves!
You ended the drought!
You lit a fire to warm the nymph!
You have completed half the journey!
You have defeated two Stone Titans!
You saved Cerberus from dying of thirst!
You acquired a flower for the witch!
You have purchased 200 gold coins from the merchant.
You have inspected four lairs!
You trapped the Brotherhood!
You have destroyed five lightning balls!
You have repaired 33 bridges!
You revived the Cave Nymph!
You summoned Zeus for the first time!
You returned the shell to Triton!
You have fed five starving locals!
You have banished five flocks of bats!
You have chased off eight Stymphalian birds!
You have healed four locals!
You repaired Hephaestus' forge!