Reaper of Souls - Achievement Guide - Vecin Kvetchin' [5/5] - Act 5

0:00 - All About Myriam - this is an odd one. I was able to have it as early as the "Northwest Gate" quest-checkpoint under Act 1.3 (A Shattered Crown), and during just about every other quest checkpoint in the game.
0:44 - More About Myriam - I had this conversation during Act 5.3 (The Harbinger); after speaking with Tyrael to advance the quest, and after having had the conversation "All About Myriam."
1:21 - Urzael's Whereabouts - begin at Act 5.3 (The Harbinger); speak with Tyrael to advance the quest, then speak with Myriam.

Begin at Act 5.4 (The Witch); speak with Myriam to advance the quest. Two conversations will be available:
1:45 - Searching for Adria
2:14 - Stories

Begin at Act 5.5 (The Pandemonium Gate); two conversations will be availabe:
3:04 - Pandemonium
3:27 - Myriam's Surprise

3:51 - Imperius - Begin at Act 5.6 (The Battlefields of Eternity); speak with Myriam.