Here is the full list of all 21 Paladins trophies - there are 6 bronze, 6 silver, 8 gold and 1 platinum.
Unlock all trophies in Paladins.
Get 4 Champions at Mastery 5.
Unlock 60 Talents.
Win a match where the enemy team scored no points.
Deal damage to every enemy champion in a match before any of them damaged you.
Land 5 headshots in a row without missing.
Be the only player alive in a match.
Kill a player with an environmental hazard.
Kill an enemy player while you are at or below 50 Health.
Get 10 Double Kills.
Survived more than 50 battles with less than 10% health.
Kill more than 20 enemy champions in a single Siege match.
Get a killing blow after the Round has ended.
Kill an enemy player who is on a 15 killstreak or higher.
Deal more than 100,000 damage during a match.
Kill an enemy champion after they had already killed you.
Die to an environmental hazard.
Kill an enemy player from over 300 units away.
Kill a player in the air who is over 100 units above the ground.
Played a match while in a party.
Complete the Paladins Tutorial.