First: Summon Key
This key can be found on Spawn Area. To get it, you have to be in Beast mode then melee the box to reveal the key.
First Ritual: Lawyer’s Pen and Naro’s Landing Door
This pen can be found on Junction Area. Go straight to the end where you see a perk machine (stamin-Up) and Curse Fountain. Do beast mode then, zap the power box in the crane. Next, Look up on the fire exit where you see an Anchor. Grapple it and go straight to the end of the building where there is a power box. Zap it again to open the door. Next, Pick up the pen. Once you pick it up, two Gate keepers will spawn. Kill them. Then, bring this pen to the Naro’s Landing. Once you are inside, you will see a table in the middle. Place the pen with summoning key to start the ritual. Once you are done, Gateworm will spawn. Pick it up you need this later.
Second Ritual: Championship belt and Boxing Gym Door
This ritual is located on the Waterfront District all the way to the end of the map. Same as we did on the first ritual. Look for a Curse Fountain then, do beast mode. Once you are in beast mode, Look up on your right where you will see a box. Grapple it to reach then, Melee. Will you are there, Jump forward. Go straight to the end of the map and melee the door. Next, pick up the belt and kill those two gate keepers. Then, head over the Gym and place the item with the key to start the ritual. Once it done, Pick up the Gateworm.
Third Ritual: Badge and Ruby Rabbit Door
This is located on Canal District. Again, find a Curse Fountain and do beast mode. Once you are in beast mode. Go down on the canal and melee those box and door. After that, Run all the way to the end and zap the Power Box. If you still have a time, Go look up on Ruby Rabbit and find an anchor to Grapple. Then quickly run all the way to the lower level to zap the Power Box. Next, Pick up the badge and kill those Two Gatekeepers. After that, go inside the ruby rabbit and place your item with key to start the ritual. Once its done, pick up the gateworm.
Fourth Ritual: Producer’s Toupee and Burlesque Door
This is located on the Footlight District. Open the doors all the way to the parking lot. Then do beast mode and quickly look up in front of burlesque building. Grapple then turn around to zap the power box. Next, go on your left and quickly grapple to go on the other side of the building. Once you are there, go down on the stairs straight to the ramp then quickly jump to the other side to reach the box and melee. In the middle of this map, there is a Curse Fountain to do Beast Mode. Now, Zap the Power Box for the door and then go up. Next, zap the power box for perk machine. Then, jump on it on the ramp and at the end. Melee to drop the box for our new item. Next, Go down straight to the parking lot. Look up on the building (Burlesque), Grapple it and quickly turn around to see the power box. Next, pick up the item and kill those two gatekeepers. Then, Head over to the end of the map all the way to the burlesque building. Place the item on the table with the key to start the ritual. Once it done, go and pick up your gateworm.
Note: This can be done in any order.
Once you collect all the GateWorm. Achievement will unlock “The Beginning of the End”.
Pack Of Punch
On the Rift, look around and you well see a wall with a weird codes. If you done all four rituals, those fives code will glow into yellowish. Go closer to that wall to open (This will open by itself if you done all four rituals correctly). Behind that wall, you will see a table like on the previous rituals that i mention and four stands just almost same as curse fountain. Place those worm, then place the key on the table to start the last ritual. Once its done, go on the end side of that room where there is a big round thing and there you can pack your gun.