Assembly of Nihilo Walkthrough, Boss Battles, and Item Locations

This is a story walkthrough for Assembly of Nihilo in Shin Megami Tensei III HD Remaster (SMT Nocturne) for the Nintendo Switch, PS4, and Steam. Here you'll find a guide on how to complete this area, story section, boss strategies, general tips, and a list of items that can be found.

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Ikebukuro and Mantra HQ	Kabukicho

Assembly of Nihilo Maps

Assembly of Nihilo

1F
B1
B2
B10
B11
B12
B13
B14
B15

Assembly of Nihilo Story Walkthrough

Assembly of Nihilo A

	Objectives
1	Return to Ginza, then head back to the Overworld and go to Assembly of Nihilo.
2	From the main entrance, turn right and take the East elevator. Go to B2.
3	Take the left path going South, and then enter the Core.
4	A cuscene will play. Hijiri will ask you if you've joined the Mantra. Your response will influence your Reason. "I sure did." (Yosuga) "Why would I do that?" (Shijima, Musubi)
5	Leave the Core room and go straight to the South elevator. Go to B10.
6	Go straight and enter the North door. A boss battle will ensue. Prepare beforehand!
Boss Fight	Boss Battle: Incubus and Koppa Tengu
8	After the battle, you will obtain a Yellow Kila. There is an S-Terminal at the West door.
9	Approach the pedestal in the center of the room a lodge in the Yellow Killa on the pedestal emitting yellow light.
10	Head for the Northwest door. Walk straight ahead and enter through door in front of you.
11	From the first cube, go North. Then go North again on the 2nd cube.
12	Go North again to the 3rd cube and activate the switch.
13	Turn back South to the 2nd cube, and then go left to the 4th cube.
14	Go North to the 5th cube, and then go North again to the 6th cube. Activate the switch.
15	Turn right to the 7th cube, and then turn North to the 8th cube.
16	Continue forward from the 8th cube until you reach a door.
17	Walk straight ahead and enter the White Treasure Room. A Boss Fight will ensue after you enter the door
Boss Fight	Boss Battle: Eligor (Part 1 w/ Dis)
19	After the battle, open the cache cube to obtain White Kila.
20	Leave the White Treasure Room and exit the area.
21	Turn around South and go back to the middle cube.
22	Turn right to the East, and then go South.
23	Continue going South until you reach the cube with a ladder inside.
24	Descend the ladder to B11.

Cubes B11

	Objectives
25	From the starting point, go North to the 2nd cube. Then turn left to the 3rd cube. Ignore the switch.
26	Go South to the 4th cube, then turn left to the 5th cube and activate the switch. From the 4th cube, go South to find an S-Terminal.
27	Turn right back to the 4th cube, then go North.
28	Turn right, and then operate the switch in the cube.
29	Go West until you reach the farthest West cube.
30	Go North, and then operate the switch in the cube.
31	Turn back South back to the farthest West cube, and go East to the adjacent cube.
32	Head North until you reach the Northern-most door. Prepare for an upcoming Boss Fight.
Boss Fight	Boss Battle: Eligor (Part 2 w/ Yaka)

Assembly of Nihilo B

	Objectives
34	Go North until you reach the farthest end of the hallway.
35	Go East and then go North from the spot where there's another branch to a hallway.
36	Go East and enter another hallyway. There's an S-Terminal located at the North door.
37	In the new hallway, turn right to the South door and enter. Open the chest, and then leave the room. Prepare for an upcoming Boss Fight before leaving the room.
Boss Fight	Boss Battle: Eligor (Part 3 w/ Incubus)
39	After the battle, return the hallway found in Step 37.
40	Pace towards the S-Terminal and then go East and open the door. Follow the path and enter the Red Treasure Room.
41	Open the cube and obtain the Red Kila. Prepare for an upcoming Boss Fight before leaving.
Boss Fight	Boss Battle: Berith
43	Leave the area and return to the cubes.
44	Head towards South until you reach the middle cube.
45	Head West, then go North and operate the switch in the cube.
46	Head East, then go East to the adjacent cube and then descend the ladder.
47	Go North and watch cutscene where Kaiwan operates a swtich.
48	Jump off the empty cube.
49	On B13, go South, and then go South again to another cube.
50	Go West to another cube and use the ladder.
51	Go South and watch as Kaiwan operates another switch.
52	Go North to another cube and then use the ladder. Head East to another cube.
53	Go North, and then West and use the ladder in the cube.
54	Operate the switch in the cube, and descend the ladder afterwards.
55	Go East, and then South to another cube.
56	Go West, and then use the ladder in the cube.
57	Go South, then East.
58	Head East again to another cube, and then go North.
59	Keep pushing forward to the Northernmost cube.
60	Go West and operate the switch in the cube.
61	Go East and then go South.
62	Keep pushing South until you reach the Southernmost cube.
63	Go West, and then go West again to another cube.
64	Go North, and then go West.
65	Go North and watch as Kaiwan operates another switch.
66	Make your way towards the Northeast cube with a ! point. Operate the switch.
67	Afterwards, make your way towards the Northwest cube with a ! point. Operate the switch.
68	Make your way back towards the Northeast cube with a ! point found in Step 66. Operate the switch.
69	Make your way to the middle cube above the one with a ! point.
70	Head North and go through the door.
71	Follow the path and enter the door.
72	Keep pushing forward West and enter the farthest door.
73	Keep pushing forward West and then go North. There is an S-Terminal located on the North door.
74	Turn left and then take a right heading towards the North door.
75	Go forward and enter the Green Treasure Room
76	Examine the cube (it will be empty.), and then leave the room. Kaiwan will then show up.
77	Pace North and go through the door.
78	Go forward (Kaiwan will appear) then turn left.
79	Turn right to the hallway Kaiwan went, and then turn turn left.
80	Go forward and then open the door and leave the area.
81	Enter the 2nd West door from your starting point and prepare for a Boss Fight.
Boss Fight	Boss Battle: Kaiwan
83	Acquire the Green Kila, and then leave the area and return to the cubes.
84	Make your way back up to B10, and then to the room with the pedestal.
85	Lodge all the Kila in the pedestal.
86	Go Southwest to the winding path and just head down.
87	Enter the door at the bottom.
88	Pace forward and head for the East door.
89	Go North and then take the first left.
90	Keep pushing North and then turn left.
91	Continue forward and then take a right. Use the elevator to go to B15
92	Go straight forward and enter the South door.
93	Follow the path and Enter the True Core Floor. Prepare for an upcoming Boss Fight after the cutscene.
94	A cutscene with Hikawa will play. Your responses to his question will NOT affect the ending.
Boss Fight	Boss Battle: Ose
96	You will obtain Anathema Magatama after the battle.
97	Go back to Mantra Headquarters to proceed with the story.

Obtain Anathema Magatama

After defeating Ose, you will obtain Anathema Magatama.

Assembly of Nihilo Boss Fights

Koppa Tengu and Incubus

The first of the Nihilo bosses stopping you from reaching Hikawa. Ready your Curse skills.

Koppa Tengu Weaknesses

Weaknesses
Curse

Koppa Tengu will be vulnerable to Curse attacks. We suggest using items and skills that inflict Curse, as well as bringing along demons that have Curse skills to specifically target Koppa Tengu.

Koppa Tengu Strengths

Attacks	Force, Nerve
Void	Force
Support	Tarukaja, Gathering

Koppa Tengu will utilize Force and Nerve attacks, so we recommend not bring along demons who are weak to these Elements. Likewise, Koppa Tengu will Void Force, so don't use Force attacks on it.

Koppa Tengu also has Tarukaja which raises its party's damage output, and Gathering which Koppa Tengu can use to summon more of itself.

Incubus Weaknesses

Weaknesses
Force

Incubus will be vulnerable to Force attacks. We suggest using items and skills that inflict Force, as well as bringing along demons that have Force skills to specifically target Incubus.

Incubus Strengths

Attacks	Dark, Mind, Almighty
Void	Curse, Mind

Incubus will utilize Dark, Mind, and Almighty attacks. He can also activate Life Drain which drains one foe's HP and MP. We recommend not bring along demons that are weak to Dark, Mind, and Almighty.

Likewise, Incubus can Void Curse and Mind, so we highly suggest not using these attacks on him.

How to Beat Koppa Tengu and Incubus

Eligor

Eligor respects your intelligence but still won't let you have the Kila. Get your Zio attacks ready.

Weaknesses

Weaknesses
Elec

Eligor is weak towards Elec and will be highly susceptible to Elec attacks. Exploit this weakness as much as you can!

Strengths

Attacks	Phys, Dark Instakill
Void	Dark, Ailments
Resist	Light, Phys
Support	Beast Eye, Gathering, Rakukaja

Eligor utilizes a multi-target Phys attack and a single-target Dark instakill skill. It voids Dark skills and Ailments.

Likewise, Eligor can resist Light skills and Phys attacks but is not totally immune to them. Eligor has Beast Eye which grants his party extra turns, Gathering which he uses to summon more allies to its party, and Rakukaja which increases its party's defense.

How to Beat Eligor

Berith

Berith, the Great Duke of Hell is preventing you from leaving with the Kila. Exploit his Bufu weakness.

Weaknesses

Weaknesses
Ice

Berith is weak towards Ice and will be highly susceptible to Ice attacks. Exploit this weakness as much as you can!

Strengths

Attacks	Fire, Phys
Absorb	Fire
Void	Light, Dark, Ailments
Resist	Phys

Berith uses Fire and Phys attacks. It will use multi-target Fire attacks, so don't summon demons that have Fire weakness!

Likewise, Berith Absorbs Fire, Voids Light, Dark, and Ailment skills. We suggest avoiding using these types of attacks as they will be useless against Berith. Berith also Resists Phys, although is not totally immune to it.

How to Beat Berith

Kaiwan

After a short game of tag, you finally face the real Kaiwan. Beware his deathly Dark attacks.

Weaknesses

Weaknesses
Light

Kaiwan is weak to Light attacks. Exploit this weakness as much as you can to secure more turns for your party, and possibly, instakill it.

Strengths

Attacks	Almighty, Dark Instakill
Void	Magic, Death, Ailments
Resist	Curse, Mind, Nerve

Kaiwan uses Almighty and Dark Instakill skills, so we highly advise you to raise your party's evasion rate with a skill like Sukukaja.

Likewise, Kaiwan can Void Elemental Magic attacks, so go for Phys attacks. Kaiwan can also Resist Curse, Mind, and Nerve, so keep it to a minimum when using these attacks.

How to Beat Kaiwan

Ose

Hikawa summons Ose, the final boss fight in the Assembly of Nihilo. This Fallen demon packs a punch.

Weaknesses

Weaknesses
None, but Phys attacks are effective in dealing damage.

Ose has no elemental weakness, however using Phys attacks on it and Magic attacks except for Light, Dark, Ailment, Mind, Curse, and Nerve skills are effective in dealing damage.

Strengths

Attacks	Phys
Void	Light, Dark, and Ailments
Resist	Mind, Curse, Nerve
Support	Tetrakarn/Makarakarn, Focus, Sukukaja, Dekaja, Dekunda

Ose uses a multi-target Phys skill, so we advise raising the party's defense whenever you can. Ose can also Void Light, Dark, and Ailments, so never use these attacks at any point.

Likewise, Ose can Resist Mind, Curse, and Nerve, we suggest using these skills at a minimum.

Ose also has a multitude of Support skills. Be extra careful whenever he uses either Tetrakarn or Makarakarn as the damage you afflict him with will repel back to you.

How to Beat Ose

Obtainable Magatamas

Anathema

Anathema is rewarded to you after defeating Ose!

How to Get Anathema

Assembly of Nihilo Obtainable Items

Assembly of Nihilo: B1

	Obtained from	Items
1	Cache Cube	It's Empty!
2	Cache Cube	It's Empty!

Assembly of Nihilo: B10

	Obtained from	Items
1	Cache Cube	Tetraja Rock x 2
2	Cache Cube	White Kila x 1

Assembly of Nihilo: B11

	Obtained from	Items
1	Cache Cube	Dis-Mute x 1
2	Cache Cube	Dis-Stun x 1
3	Mystical Chest	Luck Incense x 1
4	Cache Cube	Red Kila x 1
5	Cache Cube	Wagtail Plume x 1

Assembly of Nihilo: B12

	Obtained from	Items
1	Cache Cube	Life Stone x 3
2	Cache Cube	It's Empty!
3	Cache Cube	3000 Macca

Assembly of Nihilo: B14

	Obtained from	Items
1	Cache Cube	Sacred Water x 1
2	Cache Cube	Revival Bead x 1
3	Mystical Chest	Balm of Rising x 1

Assembly of Nihilo General Tips

Save the Game Every Chance You Get

There are many boss fights in this dungeon and lots of instances wherein you may get lost. We recommend saving the game at any point you can.

Prepare for the Boss Fights

There will be several Boss Fights that will ensue in this area. Be sure you're prepared.

Check out our guides to know different bosses' strengths and weaknesses, how to beat them, which Magatama to equip, and more.

All Boss Battle Guides

Level Up to At Least Lvl.23

Keep strengthening Demi-Fiend and your demons to last longer in this area. You can expect your stats to be exhausted in this area as many boss fights will ensue.

Leveling Guide: Best Leveling Areas

Shin Megami Tensei 3: Nocturne Related Links

Story Walkthrough

Story Walkthrough Guides

Shinjuku Hospital Walkthrough	Yoyogi Park and Shibuya Walkthrough
Amala Network 1 Walkthrough	Ginza and the Great Underpass Walkthrough
Ikebukuro Walkthrough	Assembly of Nihilo Walkthrough
Kabukicho Walkthrough	Asakusa and Obelisk Walkthrough
Amala Network 2 Walkthrough	Yoyogi Park 2 Walkthrough
Amala Temple Walkthrough	Mifunashiro and Yurakucho Walkthrough
Diet Building Walkthrough	Bandou Shrine Walkthrough
Tower of Kagutsuchi Walkthrough

Endings Guide: How to Get All Endings

Labyrinth of Amala Guides

First Kalpa Area Recommended level: 20	Second Kalpa Area Recommended level: 35
Third Kalpa Area Recommended level: 50	Fourth Kalpa Area Recommended level: 65
Fifth Kalpa Area Recommended level: 75

DLC Dungeon Guides

Where the Demi-Fiend was Born

Center of the Conception