Here is the full list of all 12 Siralim trophies - there are 8 bronze, 3 silver and 1 gold.
Attain an arena win streak of 10 or higher.
Level up your character to 100.
Summon 300 unique creatures.
Level up a creature to 100.
Defeat a Treasure Golem.
Enchant an artifact with a legendary crafting material.
Defeat the Pandemonium King.
Defeat the enemies contained in a Major Sigil.
Complete 20 Duties.
Defeat the enemies contained in a Minor Sigil.
Complete a Power Spell ritual.
Beat a gambling dwarf with a roll of 7.