Mr. Dice is a discord bot with tools to assist D&D players. These include rolling dice, rolling damage for spells and weapons, and retrieving the descriptions for spells, weapons and magic items.
You can invite it here, and view the top.gg page here.
!roll <number of dice>d<sides of dice> + <modifier>
Example: !roll 6d8 + 12
This rolls 6 eight sided dice and adds 10. Modifier is optional
!roll <number of dice>d + <modifier> separate
Example: !roll 6d8 + 12 separate
This rolls 6 eight sided dice and adds 10, and separately displays the rolls.
!cast <spell> + 10
Example: !cast fireball + 10
This rolls 8d6, the damage for fireball and adds 10.
!cast <spell> lvl 4
Example: !cast fireball lvl 4
This rolls 9d6, the damage for fireball when cast at level 4.
!weapon <weapon> + 10
Example: !weapon shortsword
This rolls the default dice for a shortsword and adds 10.
!spelldesc <spell>
Example: !spelldesc fireball
This retrieves the description of the spell fireball.
!item <item>
Example: !item shortsword
This retrieves the description of a shortsword.
!magicitem <item>
Example: !magicitem wand of fireballs
This retrieves the description of a wand of fireballs.