True strike is possibly the best damage cantrip in the newest version of dnd. [Especially with the latest death of some prestidigitech]. What true strike does is it allows you to use your spellcasting mod for a weapon attack, and after every 5 levels it also adds a d6 radiant damage. The original damage can be either radiant or the weapons normal type. You have to be proficient with the weapon in order to use true strike with it, and it must be worth at least one copper piece.

This is already a pretty good deal; Allowing us the range and damage of a longbow or a musket or a pistol without any real investment so long as we have the proficiency.

Warlock in 5.5e can now also make any cantrip ‘agonizing’ and add their modifier to the damage, true strike as an agonizing option allows us to double the cha mod damage on a weapon strike. This opens up an easy way to deal 2d6+10 damage in melee or 1d12+10 at range with a musket. Though, there are even better options.

Magic stone adds your modifier to its attack, using a sling, we can now deal tripple our spellcasting modifier to our sling attacks, making them 1d6+15 with a max stat. This I have dubbed “The double agonizing stone” or “kidney stone tech”

However, There is more we can do with this by combining it with the Tavern Brawler feat. We are now considered proficient in anything we can improvise as a weapon.

Weapons to Improvise

One of the best weapons to improvise into functionality would be a cannon. By being proficient in cannons, we can then use true strike to fire the cannon. this is a good 8d10+mod damage option. The wording on true strike states you have to be proficent in the weapon to attack with it using the cantrip, thus meaning if we can me proficient with siege equipment, such as with tavern brawler, we can true strike with it. (assuming it costs more than a copper piece)

Another option is going back to Prismatic Lasagna. Allowing us to make true strike attacks with any improvised version of a prismatic wall fabricated into a weapon.

AND YOU TAKE THE MOON

Hypothetically, we can make improvised attacks with weapons we can’t fully wield. This works as above with the cannon if we can’t pick it up [like ramming it into someone’s leg]. Only this hypothetical ability to attack with such an item is needed to use true strike with it. Thus, we can true strike with just about anything.

Here, we steal the moon.

Improvised damage tables indicate that being crushed by “a moon sized monster” would deal 24d10 damage. This is roughly identical to being crushed by a moon. We can hold the planet we’re currently on and be considered ‘wielding’ it, then cast true strike.

Ideally we first create the moon out of components worth at least one copper, using fabricate or other such things. A more (but still completely insane) idea is to use a flying fortress or spelljammer as your improvised weapon and true strike with it.

For a less stupid and more functional but still highly suspect and weird tech, you use the planet you’re currently standing on. How do you coat this in prismatic wall? well, we can argue we can rotate the weapon and only place it over a portion of the planet.

My weapon of choice:

you may ask “would this work as intended or only deal typical improvised weapon damage?” To which I shrug, if it does only deal typical improvised weapon damage, then we’re back to the cannon. However, it seems to imply that being crushed by the moon would be 24d10, even if this is done with an attack, we may still be able to place the moon ontop of our enemy, dealing the attack then the crushing damage.

A less intensely fucking stupid option to deal the same damage is finding the jaws of a dead god or god-like creature and true striking with that. I recommend killing and dismembering Vecna then using his jawbone as a weapon, but this works for anything described as ‘godly’.

if we put prismatic lasagna on our moon, we can deal 50d6 (save for half) plus 24d10 damage, which comes out to 307 damage on all failed saves, putting us .5 damage behind the expected damage of a conjure minor elementals valor bard.

[Hypothetically we can replace one attack with an entire moon prismatic rainbow true strike using valor bard or bladesinger, but this is still an admission of defeat]