From Guild Wars 2 Wiki
A norn with the devil's horns effect.
Thoughtless Potion is a tonic that grants players the Thoughtless Potion effect, which gives the player devil's horns, for one hour after consumption. The effect can be canceled by consuming the potion while already under its effects.“
For those who only thought of themselves in this time of need.
— In-game description
- Cannot be used in conjunction with Selfless Potion.
- Can be used in PvP matches.