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.