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