Skip to content
The Ascent — Onirism Walkthrough
Onirism

The Ascent — Onirism Walkthrough

Comprehensive Onirism walkthrough covering all treasure chests, upgrades, secrets, and boss fights across various locations. Find every item and enhance your gameplay.

By ···10 min read·Multi-source verified
1 reading this guide  

Comprehensive Onirism walkthrough covering all treasure chests, upgrades, secrets, and boss fights across various locations. Find every item and enhance your gameplay.

Walkthrough
  1. 1
    Onirism: Chroma Falls Treasure Guide
    1. 0:00-0:28 Treasure Chest 1: Flaregun
  2. 2
    0:29-1:36 Upgrade 1: Battery Ammo
  3. 3
    1:37-3:37 Treasure Chest 2: 150 Pearls
  4. 4
    3:38-3:56 Treasure Chest 3: Pico Pico Axe
  5. 5
    3:57-5:03 Treasure Chest 4: 150 Pearls
  6. 6
    5:04-5:34 Dreamstone 1
  7. 7
    5:35-6:37 Treasure Chest 5: 150 Pearls
  8. 8
    6:38-6:55 Treasure Chest 6: 150 Pearls
  9. 9
    6:56-8:54 Treasure Chest 7: 150 Pearls
  10. 10
    8:55-9:45 Treasure Chest 8: Big Boomstick
  11. 11
    9:46-12:24 Treasure Chest 9: Bazooka
  12. 12
    12:25-12:56 Upgrade 2: Umbrella Charge
  13. 13
    12:57-15:56 Upgrade 3: Firework Ammo
  14. 14
    15:57-16:52 Emily's Brewery
  15. 15
    16:53-17:52 Treasure Chest 10: 150 Pearls
  16. 16
    17:53-19:15 Treasure Chest 11: 150 Pearls
  17. 17
    19:16-19:49 Emily & Upgrade 4: Super Grip
  18. 18
    19:50-21:44 Treasure Chest 12: 150 Pearls
  19. 19
    21:45-22:21 Key
  20. 20
    22:22-24:01 Treasure Chest 13: Frag Fruit
  21. 21
    24:02-25:01 Treasure Chest 14: 150 Pearls
  22. 22
    25:02-25:27 Treasure Chest 15: Dual Splashers
  23. 23
    25:28-26:03 Upgrade 5: Soapy Water Ammo
  24. 24
    26:04-28:08 Treasure Chest 16: Perfume Bomb
  25. 25
    28:09-28:38 Treasure Chest 17: 150 Pearls
  26. 26
    28:39-29:08 Treasure Chest 18 & 19 : 150 Pearls and Scissors
  27. 27
    29:09-29:51 Treasure Chest 20 100: Pearls
  28. 28
    29:52-31:11 Treasure Chest 21: Fairy Wand
  29. 29
    31:12-32:10 Upgrade 6: Extra Health
  30. 30
    32:11-32:59 Treasure Chest 22: P-Lah Mk3
  31. 31
    33:00-33:58 Upgrade 7: Foam Ammo
  32. 32
    33:59-35:13 Upgrade 8: Stamina Expansion
  33. 33
    35:14-35:30 Treasure Chest 23: 150 Pearls
  34. 34
    35:31-35:45 Upgrade 9: Energy Ammo
  35. 35
    35:46-36:15 Treasure Chest 24: 150 Pearls
  36. 36
    36:16-39:49 Inferno Valley
  • Onirism: Inferno Valley Treasure Guide
    1. 0:00-1:23 Treasure Chest 25: Nade Launcher
    2. 1:24-1:45 Upgrade 10: Extra Health
    3. 1:46-2:18 Treasure Chest 26: Wispfire Perfume
    4. 2:19-4:01 Treasure Chest 27: Aquommando
    5. 4:02-4:50 Treasure Chest 28: 150 Pearls
    6. 4:51-5:06 Treasure Chest 29: 150 Pearls
    7. 5:07-9:16 Treasure Chest 30: Boomerang
    8. 9:17-10:48 Laser & Axe Door Switch
    9. 10:49-11:09 Treasure Chest 31: Sparkle Motar
    10. 11:10-11:34 Treasure Chest 32: Firecracker
    11. 11:35-12:12 Treasure Chest 33: 150 Pearls
    12. 12:13-13:59 Upgrade 11: Soapy Water Ammo
    13. 14:00-17:36 Agni & Upgrade 12: Charge Module
    14. 17:37-17:51 Treasure Chest 34: 150 Pearls
    15. 17:52-18:36 Upgrade 13: Stamina Expansion
    16. 18:37-19:50 Axe Door: Pyrobarbarian
    17. 19:51-20:32 Upgrade 14: Firework Ammo
    18. 20:32-22:34 Upgrade 15: Battery Ammo
  • Onirism: Windy Meadows Treasure Guide
    1. 0:00-1:38 Treasure Chest 35: BB-12 Spreader
    2. 1:39-3:14 Treasure Chest 36: P-Lah Mk3
    3. 3:15-4:00 Treasure Chest 37: XPLM SonicBoom
    4. 4:01-5:07 Treasure Chest 38: Rustic Boomstick
    5. 5:08-5:37 Treasure Chest 39: 150 Pearls
    6. 5:38-5:58 Treasure Chest 40: 150 Pearls
    7. 5:59-6:31 Treasure Chest 41: 150 Pearls
    8. 6:32-7:23 Upgrade 16: Energy Ammo
    9. 7:24-7:42 Treasure Chest 42: Bubbler
    10. 7:43-9:39 Power Switch 1 & Battle
    11. 9:40-10:28 Upgrade 17: Firework
    12. 10:29-13:18 Key 1
    13. 13:19-13:59 Treasure Chest 43: 150 Pearls
    14. 14:00-14:30 Upgrade 18: Foam Ammo
    15. 14:31-15:10 Treasure Chest 44: 150 Pearls
    16. 15:11-15:55 Treasure Chest 45: 150 Pearls
    17. 15:56-19:05 Key 2
    18. 19:06-22:25 Upgrade 19: Stamina Expansion
    19. 22:26-23:07 Treasure Chest 46: 150 Pearls
    20. 23:08-24:21 Treasure Chest 47: 150 Pearls
    21. 24:22-26:19 Treasure Chest 48: 150 Pearls
    22. 26:20-26:44 Upgrade 20: Extra Health
    23. 26:45-30:55 Power Switch 2 & Battle
    24. 30:56-34:05 Key 3
    25. 34:06-34:42 Treasure Chest 49: 150 Pearls
    26. 34:43-35:16 Key 4
    27. 35:17-37:04 Treasure Chest 50: Sniper Rifle
    28. 37:05-37:28 Treasure Chest 51: 150 Pearls
    29. 37:29-38:28 Treasure Chest 52: 150 Pearls
    30. 38:29-38:40 Treasure Chest 53: Tacticooler
    31. 38:41-39:05 Upgrade 21: Soapy Water Ammo
    32. 39:06-40:38 Unlocking the Gate
  • Onirism: Shining Treetops Treasure Guide
    1. 0:00-0:54 Upgrade 22: Soapy Water Ammo
    2. 0:55-1:51 Treasure Chest 55: Sticky Bomb & Upgrade 23: Firework Ammon
    3. 1:52-2:39 Treasure Chest 56: The Hive
    4. 2:40-2:53 Treasure Chest 57: 150 Pearls
    5. 2:54-3:20 Treasure Chest 58: 150 Pearls
    6. 3:21-4:24 Treasure Chest 59: Wispfire Perfume
    7. 4:25-5:15 Treasure Chest 60: 150 Pearls
    8. 5:16-7:53 Need To Go Shopping
    9. 7:54-9:05 Treasure Chest 61: 150 Pearls
    10. 9:06-9:59 Yellow Barrier Switch
    11. 10:00-10:47 Upgrade 24: Battery Ammo
    12. 10:48-11:28 Blue Barrier Switch
    13. 11:29-12:01 Treasure Chest 62: 150 Pearls
    14. 12:02-14:10 Dreamstone 2 & Battle
    15. 14:11-15:45 Treasure Chest 63: Crossbow
    16. 15:46-16:02 Treasure Chest 64: Love Bracer
    17. 16:03-16:22 Upgrade 25: Energy Ammo
    18. 16:23-17:14 Treasure Chest 65: La Duchesse
    19. 17:15-18:13 Upgrade 26: Stamina Expansion
    20. 18:14-22:22 Hive Totem & Queen B's Honey
    21. 22:23-22:36 Upgrade 27: Pixie Dash
    22. 22:37-23:34 Treasure Chest 66: 150 Pearls
    23. 23:35-24:39 Upgrade 28: Foam Ammo
    24. 24:40-25:35 Upgrade 29: Extra Health
  • Onirism: Tortibobble Swamps Treasure Guide
    1. 0:00-1:09 Treasure Chest 67: 150 Pearls
    2. 1:10-2:19 Treasure Chest 68: Liberator
    3. 2:20-2:39 Treasure Chest 69: Inflatable Mine
    4. 2:40-3:15 Treasure Chest 70: 150 Pearls
    5. 3:16-3:32 Upgrade 30 - Battery Ammo
    6. 3:33-5:02 Treasure Chest 71: 150 Pearls
    7. 5:03-5:20 Treasure Chest 72: Sparkle Mortar
    8. 5:21-5:40 Treasure Chest 73: 150 Pearls
    9. 5:41-7:25 Treasure Chest 74: 150 Pearls
    10. 7:26-7:43 Treasure Chest 75: 150 Pearls
    11. 7:44-8:43 Upgrade 31: Extra Health
    12. 8:44-9:18 Upgrade 32: Soapy Water Ammo
    13. 9:19-9:39 Treasure Chest 76: 150 Pearls
    14. 9:40-10:09 Treasure Chest 77: Varmint Carabine
    15. 10:10-10:37 Treasure Chest 78: Vrill Torpedo
    16. 10:38-11:10 Treasure Chest 79: Sniper Rifle
    17. 11:11-11:38 Upgrade 33: Energy Ammo
    18. 11:40-12:23 Upgrade 34: Stamina Expansion
    19. 12:24-12:45 Treasure Chest 80: 150 Pearls
    20. 12:46-13:18 Door Switch 1
    21. 13:19-14:21 Treasure Chest 81: 150 Pearls
    22. 14:22-15:20 Treasure Chest 82: 150 Pearls
    23. 15:21-15:42 Treasure Chest 83: 150 Pearls
    24. 15:43-16:14 Door Switch 2
    25. 16:15-20:42 Arena & Dreamstone 3
    26. 20:43-22:17 Treasure Chest 84: 150 Pearls
    27. 22:18-23:09 Upgrade 35: Firework Ammo
    28. 23:10-24:07 Yellow Barrier Switch
    29. 24:08-25:37 Door Switch 3
    30. 25:38-26:16 Treasure Chest 85: 150 Pearls
    31. 26:17-27:05 Unlocked Door & Treasure Chest 86: Venom-GRZ
    32. 31:01-31:38 Upgrade 36: Foam Ammo
  • Onirism: Oasis Greenhouse Treasure Guide
    1. 0:00-0:17 Treasure Chest 87: Fizz 'Nade
    2. 0:16-1:31 Treasure Chest 88: 150 Pearls
    3. 1:32-2:25 Treasure Chest 89: 150 Pearls
    4. 2:26-2:40 Red Keycard
    5. 2:41-5:12 Fertilizer & Biohazard Suit
    6. 5:13-5:51 Upgrade 37: Soapy Water Ammo
    7. 5:52-7:03 Treasure Chest 90: Storm PDW
    8. 7:04-8:06 Upgrade 38: Foam Ammo
    9. 8:07-8:28 Yellow Keycard
    10. 8:29-9:11 Treasure Chest 91: Sprinkler
    11. 9:12-9:33 Upgrade 39: Stamina Expansion
    12. 9:34-10:37 Treasure Chest 92: 150 Pearls
    13. 10:38-10:54 Upgrade 40: Energy Ammo
    14. 10:55-12:01 Upgrade 41: Extra Health
    15. 12:02-13:40 Blue Keycard
    16. 13:41-15:00 Upgrade 42: Battery Ammo
    17. 15:01-17:33 Persephone & Upgrade 43: Phase Module
    18. 17:34-18:18 Upgrade 43: Firework Ammo
  • Onirism: Pinewood Summit Treasure Guide
    1. 0:00-0:11 Treasure Chest 93: 150 Pearls
    2. 0:12-0:45 Treasure Chest 94: P-Lah Mk3
    3. 0:46-1:03 Treasure Chest 95: Cluster Bomb
    4. 1:04-1:54 Treasure Chest 96: 150 Pearls
    5. 1:55-2:24 Upgrade 45: Foam Ammo
    6. 2:25-3:06 Treasure Chest 97: Rustic Boomstick
    7. 3:07-3:32 Treasure Chest 98: Icicle Launcher
    8. 3:33-5:41 Treasure Chest 99: Buffalo-XL
    9. 5:42-8:41 Treasure Chest 100: Air Strike
    10. 8:42-9:19 Treasure Chest 101: Wyvern
    11. 9:20-11:02 Upgrade 46: Soapy Water Ammo
    12. 11:03-11:17 Treasure Chest 102: 150 Pearls
    13. 11:18-11:59 Treasure Chest 103: 150 Pearls
    14. 12:00-12:53 Treasure Chest 104: Frisbee Cannon
    15. 12:54-16:59 Treasure Chest 105: 150 Pearls
    16. 17:00-17:49 Upgrade 47: Battery Ammo
    17. 17:50-18:07 Treasure Chest 106: 150 Pearls
    18. 18:08-18:50 Treasure Chest 107: Crayon Launcher
    19. 18:51-21:47 Blue Barrier Switch
    20. 21:48-22:49 Treasure Chest 108: Frost Bracer
    21. 22:50-24:12 Treasure Chest 109: Pressure Pistol 7
    22. 24:13-24:38 Treasure Chest 110: 150 Pearls
    23. 24:39-25:17 Treasure Chest 111: Combat Boomstick
    24. 25:18-27:16 Upgrade 48: Stamina Expansion
    25. 27:18-28:15 Upgrade 49: Battery Ammo
    26. 28:16-28:52 Treasure Chest 112: Meteor Bracer
    27. 28:53-29:28 Upgrade 50: Extra Health
    28. 29:29-29:48 Treasure Chest 113: Elven Lense Cannon
    29. 29:49-30:25 Treasure Chest 114: 150 Pearls & Upgrade 51: Firework Ammo
    30. 30:26-34:37 Dreamstone 4
  • Onirism: The Glacier Treasure Guide
    1. 0:00-00:52 Treasure Chest 115: 150 Pearls
    2. 0:53-1:50 Upgrade 52: Stamina Expansion
    3. 1:51-6:31 Dimensional Stone 1
    4. 6:32-7:00 Upgrade 53: Battery Ammo
    5. 7:01-9:24 Upgrade 54: Foam Ammo
    6. 9:25-10:18 Dimensional Stone 2
    7. 10:19-11:00 Treasure Chest 116: Soapy Hues
    8. 11:01-13:05 Tube Puzzle & Dreamstone 5
    9. 13:06-13:53 Dimensional Portal 3
    10. 13:54-14:58 Upgrade 55: Energy Ammo
    11. 14:59-16:15 Treasure Chest 117: Rolly Bomb
    12. 16:16-17:36 Treasure Chest 118: Heavy Firework Repeater
    13. 17:37-18:41 Treasure Chest 119: Electro Bubbler
    14. 18:42-19:00 Upgrade 56: Soapy Water Ammo
    15. 19:01-19:26 Treasure Chest 120: 150 Pearls
    16. 19:27-24:19 Treasure Chest 121: 150 Pearls
    17. 24:20-25:47 Treasure Chest 122: Hydrozooka
    18. 25:48-26:45 Upgrade 57: Firework Ammo
    19. 26:46-28:27 Upgrade 58: Extra Health
    20. 28:28-29:55 Treasure Chest 123: 150 Pearls
    21. 31:01-32:12 Back to Normal
    22. 32:13-37:25 Treasure Chest 124: Hot Typhon
    23. 37:26-37:45 Treasure Chest 125: 150 Pearls
    24. 45:51-50:31 Upgrade 59: Double Jump
  • Onirism: Borealis Sea Treasure Guide
    1. 0:00-0:37 Treasure Chest 126: 150 Pearls
    2. 0:38-1:18 Treasure Chest 127: 150 Pearls
    3. 1:19-1:57 Treasure Chest 128: Hotkiss Bonet Merci
    4. 1:58-2:26 Upgrade 60: Soapy Water Ammo
    5. 2:27-7:33 Dreamstone 6
    6. 7:34-9:21 Upgrade 61: Stamina Expansion
    7. 9:22-10:14 Treasure Chest 129: Laser Osicillator
    8. 10:15-11:35 Upgrade 62: Extra Health
    9. 11:36-13:20 Jarl Fight
    10. 13:21-15:14 Upgrade 63: Foam Ammo
    11. 15:15-15:55 Treasure Chest 130: Airburst MX
    12. 15:56-16:35 Treasure Chest 131: 150 Pearls
    13. 20:57-22:11 Upgrade 64: Battery Ammo

    • 100% Human-Written. AI Fact-Checked. Community Verified. Learn how AntMag verifies content