Here is the full list of all 58 Paladins achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Kill an enemy player from over 300 units away.
400 Double Kills.
Die to an environmental hazard.
Earn over 500,000 Gold over your play history
Play 100 matches while in a party.
Spend over 100,000 Credits in the item store over all your matches
Build your own custom loadout
Reach a 20 kill streak in a match
Heal over 100,000 health in a match
Unlock Ranked
Have a Paladins account over 1 year old
10 Champions at Mastery 5.
200 Double Kills.
Reach level 30 during the Paladins Beta.
9 Champions at Mastery 5.
8 Champions at Mastery 5.
7 Champions at Mastery 5.
Play 10 hours with a player from your friends list in your party.
6 Champions at Mastery 5.
Play 50 matches while in a party.
5 Champions at Mastery 5.
Land 5 headshots in a row without missing.
Play 5 hours with a player from your friends list in your party.
Kill a player with an environmental hazard.
Play 20 matches while in a party.
Kill an enemy champion after they had already killed you.
100 Double Kills
Play 10 matches while in a party.
Deal more than 100,000 damage during a match.
Get a killing blow after the round has ended.
Kill an enemy player while you are at or below 50 Health.
Kill a player in the air who is over 100 units above the ground.
Unlock 100 Cards.
4 Champions at Mastery 5.
50 Double Kills.
Play a match while in a party.
3 Champions at Mastery 5.
Deal damage to every enemy champion in a match before any of them damage you.
2 Champions at Mastery 5.
10 Double Kills.
Kill more than 20 enemy champions in a single match.
Survive more than 50 battles with less than 10% health.
Win a match where the enemy team scored no points.
1 Champion at Mastery 5.
Play 25 hours with a player from your friends list in your party.
Play 100 hours with a player from your friends list in your party.
Play 250 hours with a player from your friends list in your party.
Complete the Paladins Tutorial.
Kill an enemy player who is on a 15 killstreak or higher.
Be the only player alive in a match.
Shield over 200,000 damage in a match
Get a daily reward 7 days in a row
Play over 300 matches
Earn over 1,000,000 Gold over your play history
Reach Master in Ranked
Have over 30 different champions at mastery level 10 or higher
Have over 30 different champions at mastery level 15 or higher
Have over 30 different champions at mastery level 20 or higher