Jalthier's Impending Boom (5e Spell)

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Jalthier's Impending Boom
4th-level Evocation
Casting time: 1 action
Range: Touch
Components: V, S, M (a potato wrapped in metal foil sprinkled with an explosive alchemical compound worth at least 50 gp, consumed as part of casting this spell)
Duration: Varies
β€œ β€Ž"Turn your parties' lunch into a fun AND deadly game!" ”
β€”Jalthier Azimandeus

Declare a duration between 5 rounds and 1 minute. You touch the material component used as part of casting this spell and transform it into a fiery sticky bomb which will detonate at the end of the declared duration. As part of the same action used to cast this spell, you may attempt to plant this bomb onto a creature or solid surface you can touch within 5 feet of you. The creature must make a Dexterity saving throw. If it fails, you plant the bomb on it. If it succeeds, the bomb is now planted on you.

The creature with the bomb planted on it takes 1d8 fire damage at the start of each of its turns. It can use an action to attempt to pass the bomb to another creature it can touch within 5 feet. The recipient creature must make a Dexterity saving throw, avoiding the bomb being planted on it on a success.

At the start of the final round of the spell's declared duration, roll a d20 + your spellcasting ability modifier. The bomb explodes on that count in the initiative order, losing initiative ties. All creatures within a 10-foot radius of the exploding bomb must make a Dexterity saving throw, taking 10d6 fire damage on a failure, or half as much on a success. The creature with the bomb planted on it automatically fails the saving throw.

Casting this spell to make another bomb while the current bomb is still active causes the new bomb to immediately explode. Casting dispel magic on the bomb, regardless if successful or not, has a 33% chance of causing the bomb to immediately detonate.

At Higher Levels. This spell uses Modular Spell Upcasting, meaning you are granted a number of Power Points equal to the level of the slot expended to cast this spell. Refer to the table below for how this spell can be upcast by allocating Power Points. You may link two eligible attributes.

—Power Point Cost—
0 1 2 3 4 5 6 7 8 9
Contact Fire Damage πŸ”— None 1d8 2d8 3d8 4d8 5d8 6d8
Explosion Damage πŸ”— 7d6 8d6 9d6 10d6 11d6 12d6 13d6 14d6 15d6 16d6
Explosion Radius πŸ”— 5 ft. 10 ft. 15 ft. 20 ft. 25 ft. 30 ft. 35 ft. 40 ft.
Min. and Max. Duration πŸ”— 5 rounds/1 minute 4 rounds/10 minutes 3 rounds/1 hour 2 rounds/8 hours 2 rounds/24 hours
Roulette No 1 in 10 1 in 6 50/50
Initial Plant Range Touch 15 ft.* 30 ft.* 60 ft.*

*You launch the bomb. If the creature succeeds the Dexterity saving throw, the bomb becomes planted on the first solid surface it lands on.

Roulette. If power points are allocated to this attribute, roulette mode is engaged. Roll the bomb's initiative early. Each round on that count in initiative it has a chance to explode as indicated on the table. If the bomb reaches the end of its elapsed duration without exploding, the spell ends and it becomes a normal potato again.

If the bomb's duration is longer than 1 minute, you can have the explosion chance occur in intervals of minutes or hours. This must be declared along with the duration.

(one vote)

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