4ea6e2f8_sed_identification___ADOM_Wiki__Item_used
[Message] "Completely tasteless." [When the message occurs] Occurs if the effect of a cursed potential stat potion tries to lower the PC's potential stat, but the stat's potential is the same as the stat's current value. The player can compare these values to guess which stat this potion affects the potential of. [Item used] 
Cursed potion of potential -stat-
Use-based identification - ADOM Wiki
Item used