If you want to change your weaknesses/resistances or learn new skills, you will need to find Magatama. Magatama are parasite creatures that function pretty much as a combination of both armor and weapons.
That said, you will have numerous chances to acquire more Magatama throughout the game from different locations. Magatama are also grouped into three categories similar to demons, so here are all of these locations now listed below.
|Magatama||Location/How to get|
|Miasma||You can obtain this one after beating Mizuchi.|
|Djed||You can get this one after defeating the Moirae Sisters at the Obelisk|
|Satan||Can only be obtained if you defeat the optional black forest boss in the Kabukicho Prison|
|Gundari||You can get this one after you defeat Bishamonten in the temple of Ueno.|
|Ankh||The player can purchase Ankh from the junk shop in the Manikin Hideout in the Great Underpass of Ginza for 2000 Macca (6000 Macca with hard difficulty). You can also acquire it from releasing the Pixie in Yoyogi Park, but we don't recommend doing it as you will miss out on getting the uber pixie.|
|Iyomante||You can buy it at the Shibuya Junk Shop for 2k Macca (6k Macca with hard difficulty)|
|To get this one you must defeat Thor in the Mantra Headquarters.|
|Nirvana||The player can purchase Nirvana at the Junk Shop in Asakusa for 15k Macca (45k with hard difficulty).|
|Geis||Can be obtained after you complete Manikin Boy's puzzle game at Asakusa in one go,|
|Kamurogi||The Player can purchase Kamurogi at the Junk Shop in Asakusa for 145k Macca (135k with hard difficulty).|
|Adama||To get this one you must destroy Entity Albion at the Amala Temple.|
|Sophia||The player can purchase Sophia at the Junk Shop in Asakusa for 20k Macca (360k with hard difficulty).|
|Wadatsumi||You can get it after defeating Forneus in Shinjuku Medical Center.|
|Gaia||To get Gaia you must first have a base strength of 24. After this, you will be able to open a locked door in Mantra HQ|
|Hifumi||You can purchase this one at the Junk Shop in Great Underpass of Ginza for 4k Macca (12k with hard difficulty).|
|Kamudo||You can purchase this one at the Junk Shop in Great Underpass of Ginza for 6k Macca (18k with hard difficulty).|
|Murakumo||To get Murakumo, you must first defeat Fuu-Ki, Kin-Ki. Once you defeat both of them you will then need to beat Ongyo-Ki in Ikebukuro Tunnel.|
|Muspell||To get Muspell, you will have to defeat Mara in Shinjuku.|
|Gehenna||The player can purchase Gehenna at the Junk Shop in Asakusa for 30k Macca (90k with hard difficulty).|
|Vimana||The player can purchase Vimana at the Junk Shop in Asakusa for 75k Macca (225k with hard difficulty).|
|Kailash||You can purchase this one at the Tower of Kagutsuchi for 150k Macca (450k in with hard difficulty).|
|Marogareh||You can only unlock Marogareh after completing the Labyrinth of Amala.|
|Shiranui||You can buy it at the Shibuya Junk Shop for 3k Macca (9k Macca with hard difficulty)|
|Anathema||You can find this one at the True Core of the Assembly of Nihilo, right after you defeated Ose.|
How to get Madakados in Shin Megami Tensei III: Nocturne
To get the last Magatma called Madakados, you will need to collect all 24 other Magatamas, and then getting the Lord's sword from the Cathedral of Shadows. After this, you will then need to defeat the following bosses in Bandou Shrine.
Once you done that, you will then need to tell Madakados you will protect Tokyo - after this you will get the last Magatma.
For more on Shin Megami Tensei, check out Which difficulty and Gamemode should you choose in Shin Megami Tensei III Nocturne?