Tinota's Roulette

You point out your finger towards a target and snap your fingers with your other hand and roll a 1d6, on a 1-5, nothing happens, on a 6 an arcane bolt filies from your finger tip and embeds itself in your target dealing 20d6 force damage.

At Higher Levels. For every level above 4th, increase the chance of the spell firing off by 1, 5-6 at 5th level and 4-6 at 6th level and so on.