Here is the full list of all 42 Elden Ring trophies - there are 24 bronze, 14 silver, 3 gold and 1 platinum.
Obtained all trophies
Achieved the "Age of the Stars" ending
Achieved the "Elden Lord" ending
Achieved the "Lord of Frenzied Flame" ending
Defeated Hoarah Loux, Warrior
Acquired all legendary talismans
Defeated Maliketh the Black Blade
Acquired all legendary armaments
Defeated Dragonlord Placidusax
Defeated Godskin Duo
Used kindling to set the Erdtree aflame
Defeated Shardbearer Mohg
Defeated Shardbearer Malenia
Acquired all legendary ashen remains
Defeated Loretta, Knight of the Haligtree
Upgraded any armament to its highest stage
Defeated Commander Niall
Defeated Fire Giant
Defeated Shardbearer Rykard
Acquired all legendary sorceries and incantations
Defeated Mohg, the Omen
Defeated Shardbearer Morgott
Defeated Godfrey, First Elden Lord
Defeated Godskin Noble
Defeated Lichdragon Fortissax
Defeated Valiant Gargoyles
Defeated Elemer of the Briar
Defeated Magma Wyrm Makar
Defeated Astel, Naturalborn of the Void
Defeated Dragonkin Soldier of Nokstella
Defeated Regal Ancestor Spirit
Defeated Mimic Tear
Defeated Shardbearer Radahn
Defeated Ancestor Spirit
Defeated the Leonine Misbegotten
Defeated Royal Knight Loretta
Defeated Rennala, Queen of the Full Moon
Defeated the Red Wolf of Radagon
Restored the power of a Great Rune
Defeated Shardbearer Godrick
Defeated Margit, the Fell Omen
Arrived at Roundtable Hold