Ale Stones

Two smoothed cubes made of stone that feel cold to the touch. 

When added to a cup the drink always stays cold and any negative effects such as alcohol and poison are negated. The drink returns to normal if the stones are removed.

The stones only work in small amounts of liquid. If the liquid is to much the magic doesnt take effect, also if the liquid is damaging to the stones for example acid, the magic doesnt take effect.

Notes: If the stones are seperated their power decreases but still remains, making them function only in very small amounts of liquid