Baron

/ultimatebravery - Random summoners, build, skill path, etc.

/add - Adds your LoL summoner to your account.

/champion - Everything you need to know about a champion: Builds, runes, spells, etc.

/profile - Summoner profile with ranks, champions, last game, etc.

/mastery - List of champions with most mastery points by a summoner.

Website: https://baronbot.github.io/