1. Holy water No oh I did use it once to try and put out the cage fire in the first hag fight as the party member had no water it didn't work seems Holy water is not wet
2. Arsonist's oil No I can see its use case I just forget to use it in combat
3. Oil of diminution Yes I sometime use it instead of poisons and its fun shrinking enemies
4. Wizardsbane oil Very rarely.
5. Remedial potion No I forget it can be thrown. That applies to oils as well.
Here is an oil I do use sometimes Oil of freezing.
