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