Hoshiguma Upgrade Materials 6★ Defender

Everything you need to raise Hoshiguma to E2 · Skill 7 · Mastery 3 in Arknights. The tables below break it down by stage.

All materials (full build)

Material	Tier	Qty
D32 Steel	T5	6
Defender Dualchip	T5	4
Polymerization Preparation	T5	16
Grindstone Pentahydrate	T4	11
Keton Colloid	T4	12
Optimized Device	T4	3
Oriron Block	T4	10
Polyester Lump	T4	17
Skill Summary - 3	T4	107
Sugar Lump	T4	4
White Horse Kohl	T4	11
Defender Chip	T3	5
Integrated Device	T3	4
Orirock Cluster	T3	13
RMA70-12	T3	11
Skill Summary - 2	T3	24
Sugar Pack	T3	4
Orirock Cube	T2	11
Oriron	T2	9
Polyester	T2	4
Skill Summary - 1	T2	10
Sugar	T2	5
Ester	T1	6
Oriron Shard	T1	4
24 types total		311

Elite (E1 + E2)

Material	Tier	Qty
Defender Dualchip	T5	4
Polymerization Preparation	T5	4
Grindstone Pentahydrate	T4	5
Defender Chip	T3	5
Orirock Cube	T2	11
Oriron	T2	5
6 types total		34

Skills Lv1→7

Skill 1 Mastery 1→3

Material	Tier	Qty
Polymerization Preparation	T5	6
Grindstone Pentahydrate	T4	6
Keton Colloid	T4	4
Polyester Lump	T4	7
Skill Summary - 3	T4	33
Sugar Lump	T4	4
RMA70-12	T3	5
7 types total		65

Skill 2 Mastery 1→3

Material	Tier	Qty
Polymerization Preparation	T5	6
Optimized Device	T4	3
Oriron Block	T4	6
Polyester Lump	T4	10
Skill Summary - 3	T4	33
Orirock Cluster	T3	8
6 types total		66

Skill 3 Mastery 1→3

FAQ

How many materials does it take to fully raise Hoshiguma in Arknights?

Raising Hoshiguma to E2, Skill 7 and Mastery 3 takes 24 different materials — 311 items in total.

Which material does Hoshiguma need the most?

The most-demanded material is Skill Summary - 3, at 107.

How is Hoshiguma's cost split between Elite and Skills?

Elite promotion (E1+E2) needs 34 items, while skill levels and masteries need 277.

To combine several operators, deduct your inventory and get a crafting-aware farm plan, use Arknights Calculator.