Evolution Items
Some Digimon evolutions require items to unlock the evolution in addition to the level and requirements for Ultimate. The most common item is 
Evoluter and various Digicore for 100% chance of evolution.
- NOTE: For Mastemon evolution you need 5 Holy Rings.
- For Imperialdramon: Dragon mode evolution you need 1 Qinglongmon Digicore. Imperialdramon: Fighter Mode evolution need 11 Qinglongmon Digicore.
- For Omegamon evolution you need 10 Holy Rinds + Valdurmon Feather
- For BlackWarGreymon evolution you need 100 Archnemon Hair.
How to get these items?
Evoluter
Evoluters can be obtained through events and main story quests starting on the Real world(Odaiba) section at the end of the third map (Subway Station). Upon completing the main quests in the fourth odaiba map (Odaiba Entrance) you receive a second evoluter and this recipe that allows you to craft more. A third and fourth evoluter can be obtained in the following maps through main quests. Notice that through crafting you only have a 10% success rate on getting Evoluters.
Holy Ring
Can be obtained while deleting any digimon (around 50% chance to get the item) that has a holy ring on it's body. Examples: Gatomon/Tailmon, Salamon/Plotmon, Angewomon, Bakumon/Tapirmon, Apemon/Hanumon. Parrotmon and Houmon can sometimes give you 2 rings when deleted.
Grudge SkullGreymon Bone
Can be dropped from the level 70 SkullGreymon rift boss. This rift item (shown on the left) can be obtained through most of the dark castle valley map's enemies, chuumon 70 is a popular farming spot for it.
Level 65~70 Rift. Skullgreymon is level 70 so use a team of level 80 or lower for best results.
Mugendramon Parts
Only craftable via a recipe unlocked by the achievement below. This recipe requires crafting to be at level 130 or higher to be learned. Parts can be bought from the auction house from other players and will count towards the achievement.
To complete Cyborg Defragmentation (1) and (2) you must:
The following digimon must be deleted in your island to receive the parts:
-Metal Mamemon( Evolves from elecmon violet-> Thunderballmon). Gives you the Psycho Blaster.
-Metal Greymon (Evolution Line does not matter).Gives you the Trident Arm
-Megadramon( Evolves from Biyomon-> Airdramon). Gives you the Mega Hands.
The following parts have other obtaning methods:
-Andromon's Head Protector : can be dropped from the rift boss Andromon level 60 when defeating him in Gear Savannah.
This is the rift item used, it can be farmed on most of the Infinity Mountain map.
(Bakemon 37/ Ikakkumon 51/Yukidarumon 57 are good enemies to farm this item from)
-Megadramon's Helmet: can be obtained from Cherrymon NPC using his exchange ( Requires finishing all story quests).
-Metalgreymon's Chest Armor: the recipe to craft this part can be exchanged at Tentomon NPC using green datas obtained from Rifts.
To craft the chest armor you will need:
x10 Mechanorimon resistor (Desert Area)
x10 Guardromon iron plate ( Desert Area)
x10 Waspmon Armor (Desert Area)
x3 Ultimate Skill cube (Tradeable)
Zhuqiaomon Force
This item can to be bought from the Tentomon Rift NPC using 200 green datas. It is Required to evolve Baalmon into mega.
Chimairamon Data
Kimeramon has a similar obtaning process to Machinedramon, where some digimon have to be deleted for items and other items need to be farmed or obtained through other methods. It consists of 9 parts that are combined via crafting into 2 groups ( Parts A and B), then one final item (Chimairamon Data) that is responsible for the Skullgreymon Evolution.
- Both crafting recipes require crafting level 100 or higher.
- Upon Crafting Part A and Part B you will receive an achievement reward that gives you the Chimairamon Data crafting recipe.
Parts A - Recipe can be exchanged at Cherrymon using 60 Leaf data.
For the Parts A you will need:
x1 Garurumon's Leg (Obtained at a chance when deleting Garurumon)-Tradeable
x1 Metal Greymon Mane (Obtained at a chance when deleting Metal Greymon)-Tradeable
x1 Greymon Torso (Dropped from Greymon lvl80 in Hill Of Light)-Tradeable
x1 Kabuterimon Helm (Dropped from Kabuterimon lvl77 in Dark Castle Valley)-Not Tradeable
x1 Monochromon Tail (Dropped from Monochromon lvl50 in Desert Area)-Not Tradeable
Parts B - Recipe can be exchanged at Biyomon using 180 Leaf data.
For the Parts B you will need:
x1 Kuwagamon Arm (Exchanged at the Dekyu Treasure Box NPC. Can also be exchanged via Ophanimon Raid NPC)-Tradeable
x1 Devimon Arm (Dropped at the Devimon Rift Boss located in Infinity Mountain at a chance)-Tradeable
x1 Angemon Wing (Obtained at a chance when deleting Angemon)-Tradeable
x1 Airdramon Wing (Dropped from Airdramon lvl84 in Subway Station)- Tradeable