https://royals.ms/forum/threads/legend-of-the-snail-quest-bugged.17446/ https://royals.ms/forum/threads/mano-quests.88402/ https://royals.ms/forum/threads/a-bug-about-the-legend-of-snail.120854/ This bug has existed for a good 5 years now. They haven't bothered to fix it, so it seems.
For more references: https://royals.ms/forum/threads/quest-specialist-guide.109922/ There's a section on broken quests here
