The Masks of Ylung is the second largest Collection of the bunch and requires some significant effort on your part to obtain them all - but obtain them all you must! Because Yoda would be proud....
There are a total of 55 Masks in this Collection, and they are found at the following locations:
Mask 01 of 55: Ettan's Shack - X: 204.0 Y: 415.1
Mask 02 of 55: Yalung's Skull - X: 236.0 Y: 477.6
Mask 03 of 55: Army Supply Flight 2911 (Underwater) X: 259.6 Y: 391.9
Mask 04 of 55: Army Supply Flight 2707 X: 321.0 Y: 361.9
Mask 05 of 55: Kyra's Respite X: 419.6 Y: 394.3
Mask 06 of 55: Kyra's Tranquility X: 460.0 Y: 381.3
Mask 07 of 55: Satish's Sad Room X: 311.3 Y: 484.4
Mask 08 of 55: Wilderness X: 415.8 Y: 469.5
Mask 09 of 55: Rochan Delivery Wreck X: 310.5 Y: 565.8
Mask 10 of 55: Army Supply Flight 2412 X: 209.0 Y: 477.1
Mask 11 of 55: Kalasa Ashram X: 270.3 Y: 495.2
Mask 12 of 55: Yakshini's Flesh X: 267.4 Y: 555.1
Mask 13 of 55: Wilderness House X: 324.6 Y: 589.6
Mask 14 of 55: Yalung's Soul X: 223.6 Y: 618.5
Mask 15 of 55: Danger Dashed X: 210.2 Y: 564.5
Mask 16 of 55: Bagmati Camp X: 202.3 Y: 529.8
Mask 17 of 55: Yalung's Heart X: 361.8 Y: 522.7
Mask 18 of 55: Wilderness Bridge X: 412.4 Y: 538.9
Mask 19 of 55: Shanath Trapper X: 450.5 Y: 515.4
Mask 20 of 55: Shanath Poachers X: 388.6 Y: 417.9
Mask 21 of 55: Fahmida's House X: 487.4 Y: 391.3
Mask 22 of 55: Watery Grave X: 360.4 Y: 335.6
Mask 23 of 55: Yalung's Tears X: 316.8 Y: 295.0
Mask 24 of 55: Cragway Rest X: 471.5 Y: 418.3
Mask 25 of 55: Lakeside Sherpa Camp X: 523.9 Y: 393.3
Mask 26 of 55: Wilderness X: 532.1 Y: 483.6
Mask 27 of 55: Yalung's Stomach X: 418.1 Y: 604.6
Mask 28 of 55: Dhyangro Ashram X: 425.6 Y: 673.5
Mask 29 of 55: The Partisans' Clinic X: 368.9 Y: 398.6
Mask 30 of 55: Banashur's Song X: 472.0 Y:494.8
Mask 31 of 55: Wilderness Hut X: 458.6 Y: 638.0
Mask 32 of 55: Wilderness X: 355.2 Y: 558.8
Mask 33 of 55: Fishcamp X: 355.7 Y: 440.4
Mask 34 of 55: Underwater boat at X: 527.1 Y: 433.5
Mask 35 of 55: Underwater in Pond at X: 443.0 Y: 373.4
Mask 36 of 55: Mountain at X: 472.6 Y: 705.1
Mask 37 of 55: Keo Logistics at X: 400.3 Y: 779.9
Mask 38 of 55: Jalendu Falls at X: 538.6 Y: 687.0
Mask 39 of 55: Alter of Kalinag at X: 520.3 Y: 808.6
Mask 40 of 55: Devi Temple Ruins at X: 566.4 Y: 810.3
Mask 41 of 55: Dead Man's Triangle at X: 669.2 Y: 821.2
Mask 42 of 55: Ska'i Cave at X: 757.9 Y: 782.6
Mask 43 of 55: Sapha Pond at X: 711.4 Y: 776.8
Mask 44 of 55: Eagle's Nest at X: 597.9 Y: 646.1
Mask 45 of 55: Ma'Untena Ghari Shrine at X: 592.8 Y: 702.3
Mask 46 of 55: Ila's Roost at X: 626.1 Y: 708.7
Mask 47 of 55: The Goat's Lair at X: 710.5 Y: 630.4
Mask 48 of 55: Medicinal Poacher at X: 796.1 Y: 674.7
Mask 49 of 55: Asru Cave at X: 829.0 Y: 680.4
Mask 50 of 55: Cave of the Dead at X: 685.9 Y: 674.2
Mask 51 of 55: Shining Minds Seminary at X: 747.5 Y: 672.2
Mask 52 of 55: Weather Station at X: 752.7 Y: 709.4
Mask 53 of 55: Sky Burial at X: 758.9 Y: 723.1
Mask 54 of 55: Wilderness at X: 680.6 Y: 723.0
Mask 55 of 55: Underwater at X: 642.9 Y: 675.3
When you collect the final mask the Golden Path will award you unlimited Guns for Hire Tokens for your efforts!