Here is the full list of all 21 Magnificent 5 achievements.
Discover 15 unique locations.
Travel on foot or horseback 10,000 miles.
Kill 100 players
Achieve level 50.
Consume 100 Alcoholic Beverages.
Upgrade 20 Weapons.
Repair 50 Weapons.
Consume 100 Magic Dust.
Acquire 50 kills using only explosives.
Discover 25 unique locations.
Discover 100 unique locations.
Kill 1000 players.
Kill 5000 players.
Travel on foot or horseback 1,000 miles.
Travel on foot or horseback 500 miles.
Travel on foot or horseback 250 miles.
Travel on foot or horseback 100 miles.
Open 10 Treasure Chests without using a lockpick.
Use Lockpicking to open 30 Chests.
Open 500 Treasure Chests without using a lockpick.
Use Lockpicking to open 500 Chests.