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Original Price £48.80 per shirt
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D&D Probability Math - 1/20 Squared Equals Dead Dr T-Shirt
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Style
Basic T-Shirt
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+£17.95
Colour & Print Process
White
Classic Printing: No Underbase
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Vivid Printing: White Underbase
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About T-Shirts
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About This Design
D&D Probability Math - 1/20 Squared Equals Dead Dr T-Shirt
The ultimate math proof that a Level 1 Fighter can indeed kill a Dragon. 🎲🐉🐛
For all the Dungeons & Dragons players out there, we all know that feeling. You're rolling a D20, facing a terrifying Ancient Dragon. You need a miracle. What are the odds?
Well, this design breaks it down for you! It features a classic red D20 dice at the top, followed by the terrifyingly complex inclusion-exclusion probability formula for dice rolls. And the final result? 1/20². That's a 1 in 400 chance (0.25%). And as the little stick-figure warrior proves, when that math hits, the dragon goes down!
The perfect funny gift for:
🎲 D&D players, Dungeon Masters (DMs), and tabletop RPG lovers
🎲 Math geeks who appreciate probability humour
🎲 The guy in the party who always rolls Nat 20s at the perfect moment
🎲 Gamer friends, geeks, and fantasy fans
Looks fantastic on a wide variety of products:
✔️ T-Shirts and Hoodies (Wear it to your next gaming session!)
✔️ Mugs and Travel Tumblers (Perfect for sipping coffee while calculating damage)
✔️ Die-Cut Stickers (Great for laptops, gaming consoles, or dice trays)
✔️ Tote Bags and Pouches (Carry your dice and miniatures in style)
Show off your gamer math skills and relive the greatest Nat 20 moment in tabletop history with this hilarious D&D design! 🏆🐉
Customer Reviews
4.7 out of 5 stars rating33.2K Total Reviews
33,237 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy C.24 November 2016 • Verified Purchase
Basic T-Shirt, White, Large
Zazzle Reviewer Program
The T-shirt is great quality! The cotton is thick and does not lose its shape. I bought this as a gift last Christmas and since then it has been washed many times and I haven't seen any stretching or tears. The size fits perfectly. The printing is excellent. The colours and the design were exactly as shown in the picture. One year after, it hasn't faded due to washing.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Shells A.26 March 2022 • Verified Purchase
Basic T-Shirt, Blue Horizon, Small
Zazzle Reviewer Program
Beautiful design and thick great quality cotton T Shirt with arty design. Very smart and comfortable to wear.. I highly recommend. The artist design is detailed and fantastic.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Duncan U.31 August 2022 • Verified Purchase
Basic T-Shirt, White, Large
Zazzle Reviewer Program
The item was heavier than I thought, which is a good thing. A lot of t-shirts these days are made from low quality thin cotton which don't last. This is much thicker cotton that should last much longer. The print was centred perfectly. It is a good size and the colours are nice and vibrant. Exactly as the image shows.
Tags
Other Info
Product ID: 256583445421941063
Created on 26/07/2026, 18:31
Rating: G