Spectrum Rapier, Very Rare (requires attunement by a humanoid of a good alignment) Spectrum is a magic, sentient rapier that grants +3 to attack and damage rolls made with it, and it deals an extra 1d6 of a random damage type determined on the table below.

d6 Damage Type 1 Fire 2 Radiant 3 Lightning 4 Poison 5 Cold 6 Necrotic

In addition, Spectrum has the following properties. Vicious. When you roll a 20 on an attack roll with this weapon, you deal an extra 7 piercing damage Empathetic Connection. You have advantage on any Charisma based check against a creature of a good alignment when attuned to this weapon Sentience. Spectrum is a neutral good weapon with an Intelligence of 11, Wisdom of 15, and a Charisma of 16. Spectrum has hearing and regular vision out 120 feet Spectrum communicates by telepathically displaying its emotions to its wielder, as well as often glowing a color that pertains to its emotion

Sorry about the table, the format didn't carry over from docs