Tomb Raider Lost Artifact Remastered - Sleeping with the Fishes Achievement Playthrough(All pickups)

This playthrough will cover all 21 Lost Artifact related achievements, kindly note that this playthrough doesn't include 100% enemy kills as it is not required. Also, all item pickups are included in this playthrough although it's not required for the achievement.
Level 4 : Sleeping with the Fishes Related Achievements
1. Bloodhound (4 of 6) - Find hidden Uzis clips 22:59
2. Codex of Tunnel (2 of 2) - Find all 3 secrets (Location : 4:47 , 10:24 & 15:24)
3. Monsters, SLInc. - Defeat four fish mutants without being hurt (Location : 13:35 , 17:22 , 18:32 & 23:34)
4. Another Mystery Solved - Explore the U-740 submarine 11:26 - 11:46
At the end of this video, you should get 3 new achievements from completing this level.