Start profile @ Yalahar DP.
Hunts in the Mutated Rats spawn in Alchemist Quarter.
Make sure you have all the spells required:
Exevo mas san
|Exp/hour||80k - 120k|
|Loot/hour||5k - 10k|
Acces to Yalahar.
Optional Use of the Shortcut with Gate Mechanism (requires quest #3 completed)
If you use soft boots refiller, you need "searoutes around yalahar" completed