Incandescent Alloy Block

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The Incandescent Alloy Block is an upgrade material in Arknights, introduced alongside Episode 06.

Item description
A rarely-produced alloy with a high melting point, commonly used in the electronics industry. Can be used for a variety of upgrades.

A product derived from further processing of incandescent alloy. After complicated industrial processing, the stability of its solid-liquid hybridization state at certain temperatures has been preserved. As a result, it has an irreplaceable role in product development in the cutting-edge electronics industry.


The second of the Incandescent Alloy-type upgrade materials, Incandescent Alloy Blocks are essentially more stable (and thus more potent) derivative of Incandescent Alloy that are used for the skill Mastery training and Elite 2 promotion of certain Operators introduced from Episode 06 onwards.

Its very high melting point make Incandescent Alloy Blocks a necessary material for the production of Crystalline Electronic Units.



Incandescent Alloy Blocks are available in:

  • Distinctions Store (sometimes) for 15 Distinction Certificate icon.png.
  • Headhunting Parametric Model Store for 75 Headhunting Parametric Model icon.png.

Special drops

Operation Sanity Drop rate
6-12 18 Very Rare (~3%)
R8-7 18 Very Rare (~3%)
9-12 18 Very Rare
10-14 21 Very Rare
11-14 21 Very Rare
12-12 21 Very Rare
13-6 21 Very Rare
13-18 24 Very Rare
S5-8 18 Very Rare (~4%)


Product Material(s) LMD Morale Requires
Incandescent Alloy Block.png
Integrated Device
Incandescent Alloy
300 4 Level 3 Workshop
Clear S3-6


  • Due to a programming mistake, the Incandescent Alloy Block, along with Incandescent Alloy, Coagulating Gel.png Coagulating Gel, and Polymerized Gel.png Polymerized Gel are available as early as the Code of Brawl event on the JP and KR servers, but only as byproducts of Workshop upgrade material processing, which caused the event's update maintenance on both servers to be extended by 4 hours to rectify this.

See also