You can see normally in darkness, both magical and nonmagical, to a distance of 120 feet.
When you attack with your pact weapon, you can use your Charisma modifier, instead of Strength or Dexterity, for the attack and damage rolls.
Battleaxe, Longsword, or Warhammer- 1d8 (V-1d10)
Greataxe, Greatsword, or Maul- 1d12 (hvy, 2-hand)
Glaive, Halberd, or Pike- 1d10 (hvy, 2-hand, reach)
Whip- 1d6 (reach)
Shortsword or Scimitar- 1d6 (lgt, throw (20/60))
Longbow- 1d8 Range (150/600) 2-hand
Crossbow- 1d10: Range (100/400) 2-hand
Hand crossbow- 1d6 Range (30/120) lgt
Pistol- 1d10 Range (30/90) loading