Unstable Bolt

The caster fires a bolt of energy with rapidly changing colours that has a random damage type.  After casting, roll 1d10 to determine the damage type of the attack.

1. Acid
2. Cold
3. Poison
4. Thunder
5. Radiant
6. Fire
7. Lightning
8. Necrotic
9. Psychic
10. Caster's choice from list above.

The target takes 3d10 damage and must make a Constitution saving throw against the caster's spell save dc, if the target fails the saving throw, they suffer from an effect corresponding with the numbers above for 1d4 turns. If the target is immune to the damage type, they must make a Constitution saving throw against the caster's spell save dc with Advantage, if the target fails the saving throw, they suffer an effect corresponding with the numbers above for half as many turns (If affected for one turn, the target is not affected). If the target is Resistant to the damage type, they must make a Constitution saving throw against the caster's spell save dc with Advantage, if the target fails the saving throw, they suffer an effect corresponding with the numbers above for half as many turns (if affected for one turn, the target may roll a Constitution saving throw against the caster's spell save dc to not be affected).

1. AC Reduced by 2
2. Movement Halved
3. 1d6 Poison Damage
4. Knocked Prone (Always lasts one turn unless target is not affected)
5. Heals caster for 1d6
6. 1d6 Fire Damage
7. Attack Rolls are made with Disadvantage
8. Caster must roll 1d20 (1 = The target is no longer affected) (2-10 = 2d6 Necrotic Damage) (11-19 = 3d8 Necrotic Damage) (20 = 5d10 Necrotic Damage)
9. The target has -4 Initiative (The effect comes into action on the target's next turn)

At Higher Levels. The damage is increased by 1d10 for every spell slot above 3rd level used. If used with a 9th level spell slot the caster may roll three times when determining the damage type, no extra damage is done, however the target is also affected by the corresponding extra effects of the additional damage types.