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There is a wide variety of different Skell types inXenoblade Chronicles X: Definitive Edition, each one having a unique specialty to separate it from the others. Once you complete Chapter 12 of the main story, though, you unlock the ability to craft level 60 Skells, which are the best of the best in their own niches.
Of those high-level Skells, one in particular has the highest ranged attack of any Skell in the game: the Mastema White Reaper. This guide will detail how to get all the materials necessary to create a Mastema White Reaper Skell of your very own.

Material List For The Mastema White Reaper
Like many of the level 60 Skells in this game, the Mastema White Reaper schematic isunlocked automatically after completing Chapter 12 of the main story. All the materials necessary to craft it are also available at this point, but that doesn’t mean crafting this Skell is going to be easy.
The following materials are required in order to create the Mastema White Reaper Skell.
How to obtain
Rexoskell Sucker
2
An intergalactic materialdropped by the Rexoskell enemyduring the time attack missionGone Berserk.
You must have completed the normal mission Definian Downfall to unlock the corresponding time attack mission.
Crude Neilnail Mask
1
This one isdropped by the Neilnail Albus and Neilnail Furvusin the time attack missionTwin Dolls of Mystery.
Xe-dom Jet-Black Crest
3
A prime materialdropped by Black Xe-doms across Mira. you’re able to find Black Xe-doms in two places: the floating island to the west of Talon Rock Third Terrane, and by FN Site 322 in Oblivia.
Ancient Armor
5
A unique material that can beobtained by defeating Xe-doms across Mira. They can be found most commonly from the patroling Xe-doms in Sylvalum.
Advanced Crank
6
Another unique materialdropped by Seidrs in Sylvalum and Cauldros. They can be found near Ganglion camps in Sylvalum and in the skies of Cauldros.
Xe-dom Hand
This material can be found afterdefeating Xe-doms across Mira, just like the aforementioned Ancient Armors.
Ouroboros Crystal
A prime precious resource thatcan be mined from FN Sites 308, 309, and 320by placing mining probes on those sites through FrontierNav.
Miranium
10,000
Miranium is mined automatically through mining probes, thoughstorage probes are required to have enough storage space for 10,000 Miranium.
You can also use material tickets to purchase everything, aside from the Ouroboros Crystals and Miranium, from the material market. You’ll need3,300 material ticketsto have every needed item.
Once you’ve obtained all the necessary materials to craft this Skell, simply head over to Armory Alley and go to the Develop New Gear menu at the AM Manager console, then select Skell Frames.The Mastema White Reaper will be the sixth option from the top.