Chapter IV
Life Gem #10: Chapter IV Level 1: You will find this gem right at the beginning of the level as you after you have broken down the door with the Shoulder Dash attack. When you reach the end of the hallway, take the right path first to find it on a dead body of a knight lying on the ground.
Life Gem #11: Chapter IV Level 2: You will find this gem right before you exit the tower after fighting all of the Swordmasters. It is hard to miss as it is on the balcony for which you need to climb the rest of the tower to get to the Boss Fight with the Crow Witch. It is on a dead body of a knight next to a Magic Fountain.
Watch this video for more details and exact locations to each Life Gem in Chapter IV:
Light Gem #9: Chapter IV Level 1: You will find this gem just after you had to sprint jump across and above the second gap that you can either sprint jump across or use the grip point to get across. You can get to this hidden ledge above the gap from the grip point on either side of the gap. There will then be 1 more grip point to grab before you get on top of the ledge. It will then be with the dead body of a knight here on the ground next to a Dark Crystal deposit.
Light Gem #10: Chapter IV Level 1: You will find this gem after the boss fight with the Ogre. When you head back into the fortress, at the end of the hallway there will be a statue blocking the doorway leading to a secret area. Use your Gauntlet power to punch (move) the statue out the way. It will be on a dead body lying on the ground in the area after the hallway. There will also be a fairy at the top of the broken steps.
Light Gem #11: Chapter IV Level 2: You will find this gem at the beginning of the level at the top of the stairs. It will be on a dead body lying on the ground.
Watch this video for more details and exact locations to each Light Gem in Chapter IV:
Shadow Gem #10: Chapter IV Level 1: You will find this gem right after you jump the first gap on the bridge by Sprint Jumping. The gem will be on a dead body of a knight behind the weak wall. You will need to destroy the bricked wall on the right side by performing a Shoulder Dash on it.
Shadow Gem #11: Chapter IV Level 2: You will find this gem at the beginning of the level. When you step outside of the broken window to proceed up the tower, instead of climbing up, jump down to the ledge below. There will then be a Grip Point to use which will lead you to a cave further into the tower. Once in the cave it will be on a dead body of a knight lying against a coffin.
Watch this video for more details and exact locations to each Shadow Gem in Chapter IV:
Chapter V
Life Gem #12: Chapter V Level 1: You will find this gem right at the beginning of the level behind the first breakable wall on the right side of the path leading to the Goblin camp. You will perform a Shoulder Dash on the wall and then it will be on the dead body of a knight lying against the tree.
Life Gem #13: Chapter V Level 1: You will find this gem behind the first breakable wall on the right path after the Goblin camp. You will first need to get your relics and powers back from the Chupacabras who stole them. Once you have, return back to this area to Shoulder Dash through the wall to get the gem off of the dead body of a knight.
Life Gem #14: Chapter V Level 3: You will find this gem when you are searching for Cloister Keys. When you enter the second room from the beginning of the left, it will be in the left room where the Cloister Key is in the middle of the room on a pillar. This gem will be on the dead body of a knight in the backside of the room.
Life Gem #15: Chapter V Level 5: You will find this gem at the beginning of the level. It will be right inside the hallway towards the back that you will enter to proceed on through the level. It is with another dead knight.
Life Gem #16: Chapter V Level 5: You will find this gem on the balcony towards the end of the level when you are wall climbing. It will be just after you needed to sprint jump onto the wall. Instead of going towards the right to wall jump back and forth, head towards the left direction and around the corner. It will be on the dead body of a knight lying on the balcony.
Watch this video for more details and exact locations to each Life Gem in Chapter V:
Light Gem #12: Chapter V Level 3: You will find this gem in the courtyard with the teleportation device. It will be behind a gated fence from all sides, so you will need to use the teleportation device to transport into this area. You are going to rotate the device in the middle until it points towards the gated fence with the boards covering them. Then have Zobek hold it so you can run into the transportation device. Then once you are in, grab the gem off the dead body of a knight.
Light Gem #13: Chapter V Level 4: You will find this gem right at the beginning of the level. As you enter the Library, head to the rightmost entrance area. It will be on the body of a dead knight right in front of the rubble.
Light Gem #14: Chapter V Level 4: You will find this gem when you are figuring out the puzzle with the light and mirrors. It will be in the 3rd room of the library at the far right corner from where you entered from on another dead body of a fallen knight.
Watch this video for more details and exact locations to each Light Gem in Chapter V:
Shadow Gem #12: Chapter V Level 1: You will find this gem behind the second breakable wall on the right path after the Goblin camp. You will first need to get your relics and powers back from the Chupacabras who stole them. Once you have, return back to this area to Shoulder Dash through the wall to get the gem off of the dead body of a knight.
Shadow Gem #13: Chapter V Level 2: You will find this gem during the graveyard battle with the Ghouls. It will be on the dead body of a knight in the back right corner near the 3rd statue you need to cover the hole with.
Shadow Gem #14: Chapter V Level 4: You will find this gem when you are figuring out the puzzle with the light and mirrors. It will in the room right after the 3rd room when you are headed upstairs. It will be in the first gazebo on the dead body of a knight under all of the books.
Shadow Gem #15: Chapter V Level 7: You will find this gem in the first area in the back right corner on a small island. You will need to travel safely through the water to avoid the poison parts and the creatures under the water. Once you reach the small island, it will be on the dead body of a knight. I get this after opening the gate to the next area, so make sure to get this gem before you leave through the gate.
Watch this video for more details and exact locations to each Shadow Gem in Chapter V:
Chapter VI
Life Gem #17: Chapter VI Level 1: You will find this gem right after you have dropped into the castle dungeons. There will be a wall near the back left corner that you will need to Shoulder Dash to get through. There will then be a dead body of a knight lying on the ground. There is also an Elemental Fountain nearby.
Life Gem #18: Chapter VI Level 2: You will find this gem at the beginning of the level in the first right side of the maze. It will be on the dead knight behind a statue for which you need to use your Spiked Chain to destroy.
Life Gem #19: Chapter VI Level 3: You will find this gem in the 3rd room of the Castle. It will be on the dead body of a knight inside the alcove on the left side of the room. You will need to destroy the shelving unit in order to be able to climb the ledges and reach this area above to grab the gem.
Life Gem #20: Chapter VI Level 4: You will find this gem after you have defeated the Evil Butcher. Inside of the room where you grabbed the food to feed the Ghouls, there was a locked door. You can now gain access to this room with the key you just acquired. Inside of this room it will be on the dead knight on the left side of the room, there will also be a Crystal deposit in the opposite corner.
Watch this video for more details and exact locations to each Life Gem in Chapter VI:
Light Gem #15: Chapter VI Level 2: You will find this gem on the left most side of the maze. You will need to Shoulder Dash through the breakable wall here in order to obtain the gem from the dead knight on the ground.
Light Gem #16: Chapter VI Level 3: You will find this gem right at the end of the level after you have completed the Vampire Wargame. It will be in the far right corner of the board on the body of a dead knight.
Watch this video for more details and exact locations to each Light Gem in Chapter VI:
Shadow Gem #16: Chapter VI Level 2: You will find this gem when right at the beginning of the maze on the right side. But you will not be able to get it until you have reached the other side of the maze and have taken control of the spider. Once you have control of the spider, make a web bridge at this spot to be able to get across and grab this gem off the dead knight.
Shadow Gem #17: Chapter VI Level 4: You will find this gem once you are inside the tunnel that the Ghouls come out of. You will be able to enter the tunnel once you have placed food on the plate and ring the bell so that the Ghouls come out and take your bait. Once inside the tunnel, when you come to the “T” intersection, head right first to grab it off the dead knight in the hole.
Shadow Gem #18: Chapter VI Level 4: You will find this gem at the top level of the very large room you enter soon after you acquired the key from the Evil Butcher. You will start off by using a Grip Point near the far right side of the room, and then proceeding to climb the ledges and finally, crossing all of the scaffolds. Once you have reached the other side of the room, it will be on the dead body of a knight at the bottom of the long stairway.
Watch this video for more details and exact locations to each Shadow Gem in Chapter VI: