Cultists' Communion

While holding this bottle, you can use a bonus action to take a sip of the blue-tinged liquid inside. Doing so infuses you with confident strength, causing any attack you make while under the effects of the bottle deal an extra 1d6 psychic damage on a hit. However, the poisonous brew also deals 1d6 psychic damage and 1d6 poison damage to its user on each of their turns. The effect lasts until you complete a short rest or end it at the start of your turn (no action required). The bottle has enough wine for