TheWoWDBIf you can't see anything at all and not sure what you're looking for, turning on outline mode should help. It's under Options > Graphics > Graphics Quality. Aimlessly wandering to the other end of the quest area triggered it for me even though I didn't know what to look for.
Questline is not tracked on wowhead as a storyline, so if it helps, it leads to the following quests:
Sporemoth Exterminator
Agrulculture
A Friendly Introduction
[quest=74861]
Mouse Rescuers
Quest
Mouse Detective
A World of Warcraft quest in Zaralek Cavern. Facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
All you have to do is find Agrul and talk to him.
Agrul 50.42 76.41
Quest facts
LevelLevel 10-80
ZoneZaralek Cavern
Quest ID74857
The client quest POI data records no map location for this quest, so no map is shown.
Check whether you have already completed this quest
in-game: /run print(C_QuestLog.IsQuestFlaggedCompleted(74857))
Description
Normally I'd chase strangers off my property, but today's an exception. My sniffin' mouse has gone missing. It's not like Persii to ignore me when I call for her... I can't smell as good as other niffen, so I can't tend to the harvest without her help. Poor thing must be so scared, out there all on her own. Please, you gotta find Persii!
Community notes from Wowhead · 7 comments
Top 3 shown aboveThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
The top 3 are shown in Top Comments above. Read all 7 on Wowhead.
Flightstonesx 10
Money28 gold9 silver
Experience9,500 XP
Reward details
Currency: Flightstones x 10
Earned from completing world quests, raids, dungeons, battlegrounds, arena matches, and other activities. Used to upgrade max-level gear.
Item facts are the current retail client’s (ItemSparse); the specialisations for a pick-one item are the ones the Blizzard quest API lists; faction and currency text is the client’s own. Lowest listed price = the US commodity auction house now.