Here is the full list of all 12 Lara Croft and the Temple of Osiris trophies - there are 8 bronze, 3 silver and 1 gold.
Complete all challenges
Defeat Set
Complete the Tomb of the Architect
Defeat the Pharaoh
Complete the Tomb of the Torturer
Defeat Sobek
Complete the Tomb of the Lamplighter
Complete the Tomb of the Ferryman
Defeat Khepri
Complete the Tomb of the Timekeeper
Complete the Tomb of the Silversmith
Escape the Pyramid of Osiris