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Original Price CA$77.25 per shirt
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D&D Probability Math - 1/20 Squared Equals Dead Dr T-Shirt

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  1. Size

  2. Style

  3. Colour & Print Process: White

    Classic Printing: No Underbase
    Vivid Printing: White Underbase

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About T-Shirts

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Style: Men's Basic T-Shirt

Comfortable, casual and loose fitting, our heavyweight t-shirt will easily become a closet staple. Made from 100% cotton, it's unisex and wears well on anyone and everyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability.

Size & Fit

  • Model is 185 cm and is wearing a medium
  • Standard fit
  • Garment is unisex sizing
  • Fits true to size

Fabric & Care

  • 100% cotton (Heathers are a cotton/poly blend)
  • Double-needle hemmed sleeves and bottom
  • Machine wash cold, tumble dry low
  • Imported

About This Design

D&D Probability Math - 1/20 Squared Equals Dead Dr T-Shirt

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 rating32.8K Total Reviews
25731 total 5-star reviews4985 total 4-star reviews1124 total 3-star reviews507 total 2-star reviews496 total 1-star reviews
32,843 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars rating
By Anamaria G.March 15, 2023 • Verified Purchase
Basic T-Shirt, White, Large
Zazzle Reviewer Program
The t-shirt is SO cute and perfect! The shirt is nice and soft and the printing does not have any distortion. The shirt arrived within 2 weeks. 5 ⭐️. The colors are fine and similar to the virtual image.
5.0 out of 5 stars rating
5 out of 5 stars rating
By Zachary L.September 7, 2026 • Verified Purchase
Basic T-Shirt, White, Large
I especially love this shirt (I've always had a infinity for Chimpanzees!) and I couldn`t have asked for better! .
5.0 out of 5 stars rating
5 out of 5 stars rating
By AnonymousOctober 26, 2025 • Verified Purchase
Basic T-Shirt, White, Large
I was extremely pleased. The graphic looks excellent, good quality material, and delivery speedy! I already made a second purchase. So nice not to have to chase after your order! Satisfied customer. .

Tags

dungeons and dragonsd20 dicecritical hitnat 20tabletop rpgroleplaying gamednd memednd humourfunny rpgdice formula

Other Info

Product ID: 256583445421941063
Designed on 2026-07-26, 6:31 PM
Rating: G