When you complete the Guardians of the Snails quest for the first time, you will also complete the achievement Scorched Sky: Guardians of the Snails (10 Points). The Scorched Magmatic Snail Familiar is auto-granted as a reward for completing the achievement Scorched Sky: Guardians of the Snails (10 Points) and not for the quest itself, technically. As such, you can only receive it once, upon the first time you complete the achievement.
Edited, Jan 10th 2023 11:03am by qxx