fortuna

Fortuna is a dice roller for Discord, designed for tabletop RPG players. It supports complex expressions and customizable mechanics.

Features include:

• Public and private rolls

  • /roll (public), /private_roll (only you see the result)

• Basic dice rolls

  • /r d6 → roll 1d6
  • /r 2d20 → roll 2d20
  • /r 100d6 → roll up to 100 dice

• Exploding dice

  • /r d6e6 → explode on 6
  • /r d6ie → infinite explosions on max value

• Rerolling dice

  -/r d20r1 → reroll 1s once

  • /r d20ir → infinite reroll 1s

• Keep/drop mechanics

  • /r 4d6k3 → keep highest 3
  • /r 6d8kl2 → keep lowest 2
  • /r 4d6dr1 → drop 1 lowest

• Success/failure counting

  • /r 5d10t7 → count dice ≥ 7 as successes
  • /r 5d10f1 → count dice ≤ 1 as failures
  • /r 6d6t4f1 → count successes and failures in one roll

• Multiple rolls

  • /r 3x2d6 → roll 2d6 three times
  • /r 5x(d6+1) → roll adjusted result multiple times

• Arithmetic operations

  • /r 2d6+3 → add constant
  • /r d20-1 → subtract
  • /r d4*3 → multiply
  • /r d20/2 → divide

• Functions

  • /r adv(d20) → advantage
  • /r dadv(d20) → disadvantage

• Parentheses and grouping

  • /r (d6+d8)*2 → grouped math
  • /r adv(d20+5) → advantage on full expression

Fortuna also includes optional macro support for the Traveller RPG system, including quick skill checks and stat generation.