Illuga is somewhat similar to Gorou in Genshin Impact, where he exists primarily to support one 5-star character as their best 4-star companion. Instead of a dumb Oni, Illuga will partner up with a heavenly horse Adeptus. Although upgrading him doesn't matter as much as leveling up Zibai, once you're done with the horse lady, you should still give Illuga some attention, especially since some of his kit will affect his buffing.

genshin impact character tier list
Genshin Impact Tier List

Here's a Genshin Impact tier list to help players see who's in the meta and who isn't.

Illuga Mats In Genshin Impact

Illuga Mats In Genshin Impact Image via The Best War Games; Source: HoYoverse

Here's a quick look at Illuga's mats in Genshin Impact:

  • Normal Boss drop: Cyclic Military Kuuvahki Core
  • Local Specialty: Pine Amber
  • Enemy drop: Broken Drive Shaft/Reinforced Drive Shaft/Precision Drive Shaft
  • Talent materials: Teachings of Elysium/Guide to Elysium/Philosophies of Elysium
  • Weekly Boss drop: Eroded Horn

Level-Up Materials

Level

EXP

Mora

1-20

120,175

24,200

20-40

578,325

115,800

40-50

579,100

116,000

50-60

854,125

171,000

60-70

1,195,925

239,200

70-80

1,611,875

322,400

80-90 (max)

3,423,125

684,800

Totals:

8,362,650 EXP

1,673,400 Mora

Illuga Ascension Materials In Genshin Impact

Illuga Ascension Materials In Genshin Impact Image via The Best War Games; Source: HoYoverse

Collect the following Genshin Impact materials to ascend Illuga to maximum ascension:

Level

Gems

Enemy Drops

Boss Drops

Specialty

Mora

20

1x Prithiva Topaz Sliver

3x Broken Drive Shaft

-

3x Pine Amber

20,000

40

3x Prithiva Topaz Fragment

15x Broken Drive Shaft

2x Cyclic Military Kuuvahki Core

10x Pine Amber

40,000

50

6x Prithiva Topaz Fragment

12x Reinforced Drive Shaft

4x Cyclic Military Kuuvahki Core

20x Pine Amber

60,000

60

3x Prithiva Topaz Chunk

18x Reinforced Drive Shaft

8x Cyclic Military Kuuvahki Core

30x Pine Amber

80,000

70

6x Prithiva Topaz Chunk

12x Precision Drive Shaft

12x Cyclic Military Kuuvahki Core

45x Pine Amber

100,000

80

6x Prithiva Topaz Gemstone

24x Precision Drive Shaft

20x Cyclic Military Kuuvahki Core

60x Pine Amber

120,000

Totals:

  • 1x Prithiva Topaz Sliver
  • 9x Prithiva Topaz Fragment
  • 9x Prithiva Topaz Chunk
  • 6x Prithiva Topaz Gemstone
  • 18x Broken Drive Shaft
  • 30x Reinforced Drive Shaft
  • 36x Precision Drive Shaft

46x Cyclic Military Kuuvahki Core

168x Pine Amber

420,000

Illuga Talent Materials In Genshin Impact

Illuga Talent Materials In Genshin Impact Image via The Best War Games; Source: HoYoverse

Prioritize Illuga's Elemental Burst to level up. If you want, you can also upgrade his Elemental Skill. Meanwhile, it's best to keep Basic Attack at level 1, since you won't be using his normal hits.

Talent Level

Materials

Mora

1→2

  • 3x Teachings of Elysium
  • 6x Broken Drive Shaft

12,500

2→3

  • 2x Guide to Elysium
  • 3x Reinforced Drive Shaft

17,500

3→4

  • 4x Guide to Elysium
  • 4x Reinforced Drive Shaft

25,000

4→5

  • 6x Guide to Elysium
  • 6x Reinforced Drive Shaft

30,000

5→6

  • 9x Guide to Elysium
  • 9x Reinforced Drive Shaft

37,500

6→7

  • 4x Philosophies of Elysium
  • 4x Precision Drive Shaft
  • 1x Eroded Horn

120,000

7→8

  • 6x Philosophies of Elysium
  • 6x Precision Drive Shaft
  • 1x Eroded Horn

260,000

8→9

  • 12x Philosophies of Elysium
  • 9x Precision Drive Shaft
  • 2x Eroded Horn

450,000

9→10

  • 16x Philosophies of Elysium
  • 12x Precision Drive Shaft
  • 2x Eroded Horn
  • 1x Crown of Insight

700,000

Total (1 talent)

  • 3x Teachings of Elysium
  • 21x Guide to Elysium
  • 38x Philosophies of Elysium
  • 6x Broken Drive Shaft
  • 22x Reinforced Drive Shaft
  • 31x Precision Drive Shaft
  • 6x Eroded Horn
  • 1x Crown of Insight

1,652,500

Total (2 talents)

  • 6x Teachings of Elysium
  • 42x Guide to Elysium
  • 76x Philosophies of Elysium
  • 12x Broken Drive Shaft
  • 44x Reinforced Drive Shaft
  • 62x Precision Drive Shaft
  • 12x Eroded Horn
  • 2x Crown of Insight

3,305,000

Total (3 talents)

  • 9x Teachings of Elysium
  • 63x Guide to Elysium
  • 114x Philosophies of Elysium
  • 18x Broken Drive Shaft
  • 66x Reinforced Drive Shaft
  • 93x Precision Drive Shaft
  • 18x Eroded Horn
  • 3x Crown of Insight

4,957,500

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Top Critic Avg: 81 /100 Critics Rec: 87%
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Released
September 28, 2020
ESRB
Teen / Alcohol Reference, Fantasy Violence, In-Game Purchases (Includes Random Items), Users Interact
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Genre(s)
RPG, Action, Adventure, Gacha, Open-World