Find the following artifacts in the corresponding locations:

The Ruins I
Silver: When inside the stone tombs that are breakable, look on the right side just before the exit of the level.

Abandoned Coast
Ruby: When the level starts go to the ruined structure to the left to find it on the floor.
Gold: When the level starts go to the ruined structure to the right to find it on the floor.

The Stone Circle
Silver: When the level starts, go past the columns and go to the right side near the debris.

Stairway To heaven
Gold: When the level starts, go up a few steps and look to the left.

The Ruins Above The Sea
Ruby: Go to the right and search in the open area on the ground.

The Fork In The Road
Silver: When the level starts, look at the doorway on your right to find a breakable object with the silver piece.
Observation Site
Gold: After the spiked floor sequence you will get into a fight. Look at the ground level in one of the alcoves.
Ruby: After the spiked floor sequence you will get into a fight. Look at the ground level in one of the alcoves.

Death Arena
Gold: In one of the breakable stone tombs.
Silver: In the tomb next to a green crystal.

The Ruins II
Scroll: Behind the orb on the raised circular platform.
Ruby: Escape after being locked in the area with the pillars (on the right side from where the level started). Use the narrow passage to reach a partially lit area with a raised area near exit. Look on top.

The Stone Alley
Silver: In the third breakable stone to the right.

The Seashell
Gold: Go up two sets of steps. At the base of the third set is a dark room with the piece inside.

The Great Gates
Ruby: As you enter, go through the arch on the right. Look under the stairs in the arch.
Silver: Reach the top of the steps that lead to the spider queen. Look to the right and double jump to get across.

The Way To The Temple
?: Destroy the various breakable objects, including the vase on the ground near the exit. Then search the fourth statue on the ground on your right.

The Long Descent
?: Follow the only possible route and look to the right.

The Abandoned Coast Eve
Silver: When the level starts go to the ruined structure to the left to find it on the floor.
Gold: When the level starts go to the ruined structure to the right to find it on the floor.

The Stone Circle Eve
Ruby: When the level starts, go past the columns and move to the right side near the debris.
Scroll: On top of some climbable debris

Ruins Above The Sea Eve
Silver: Smash the statue by the doors.

The Death Arena Eve
Silver: In breakable tomb.
Gold: In breakable tomb.

The Ruins 2 Eve
Ruby: On raised ledge near the exit.

The Stone Alley Eve
Silver: In third statue on the right.

The Sea Shell Eve
Gold: Go up two sets of steps. At the base of the third set is a dark room with the piece inside.

The Great Gates Eve
Ruby: Under the stairs on the right.
Silver: On the right at the top of the stairs.
Ruby: On the left at the top of the stairs.

Entrance To Castle
Silver: In breakable statue in center of floor.

The Two Towers
Gold: In tomb on the right up the stairs.