H11-4: Operation Achlys-4 | Arknights Wiki | Fandom

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Operation

H11-4 Operation Achlys-4	Episode 11 Previous H11-3

The will in these ruins is still not fallen–shall not be surmounted–cannot be exhausted–will do nothing but last forever. <Twigs That Crave> Produces Rot Eaters when destroyed or at the end of the stage. <Allerdale's Guard> Forms an AOE shield for allies. Abilities of "The Last Steam Knight": [Pneumatic Pressurization] reduces damage taken while active, and no longer Stuns after ending; [Unto My Last Breath] seals off all unitless tiles within range once it locks onto targets.

Information

Sanity	Drill Plan	EXP	LMD
Recommended level	–
10	1	100 (120)	100 (120)
Unit Limit	Initial DP	Life Points	Enemies
9	16	3	38
Deployable devices	Allerdale's Guard ×3
Static devices	Twigs That Crave ×4

Drops

First clear
3 Stars

Enemies

Additional information
Normal	Sarkaz Witherer Captain ×12
Elite	Rot Eater, Rampaging Rotchaser ×13, Sarkaz Wither Maw ×5, Advanced Sarkaz Wither Tank ×7
Boss	"The Last Steam Knight"
Rot Eaters are excluded from the enemy counter.

Main Theme operations

Prologue	0-1 • TR-1 • 0-2 • TR-2 • 0-3 • TR-3 • 0-4 • TR-4 • 0-5 • 0-6 • TR-5 • 0-7 • TR-6 • 0-8 • 0-9 • TR-7 • 0-10 • 0-11
Episode 01	1-1 • 1-2 • 1-3 • 1-4 • 1-5 • TR-8 • 1-6 • TR-9 • 1-7 • 1-8 • TR-10 • 1-9 • 1-10 • 1-11 • 1-12
Episode 02	TR-11 • 2-1 • S2-1 • 2-2 • S2-2 • S2-3 • S2-4 • 2-3 • TR-12 • 2-4 • S2-5 • S2-6 • S2-7 • TR-13 • 2-5 • 2-6 • TR-14 • 2-7 • S2-8 • S2-9 • 2-8 • 2-9 • S2-10 • S2-11 • S2-12 • 2-10
Episode 03	3-1 • 3-2 • 3-3 • TR-15 • 3-4 • 3-5 • 3-6 • 3-7 • 3-8 S3-1 • S3-2 • S3-3 • S3-4 • S3-5 • S3-6 • S3-7
Episode 04	4-1 • 4-2 • 4-3 • 4-4 • 4-5 • 4-6 • 4-7 • 4-8 • 4-9 • 4-10 S4-1 • S4-2 • S4-3 • S4-4 • S4-5 • S4-6 • S4-7 • S4-8 • S4-9 • S4-10
Episode 05	5-1 • 5-2 • 5-3 • 5-4 • 5-5 • 5-6 • 5-7 • 5-8 • 5-9 • 5-10 • 5-11 S5-1 • S5-2 • S5-3 • S5-4 • S5-5 • S5-6 • S5-7 • S5-8 • S5-9 H5-1 • H5-2 • H5-3 • H5-4
Episode 06	6-1 • 6-2 • 6-3 • 6-4 • 6-5 • 6-6 • 6-7 • 6-8 • TR-16 • 6-9 • 6-10 • S6-1 • S6-2 • 6-11 • 6-12 • 6-13 • 6-14 • 6-15 • S6-3 • S6-4 • 6-16 • 6-17 • 6-18 H6-1 • H6-2 • H6-3 • H6-4
Episode 07	7-1 • 7-2 • 7-3 • 7-4 • 7-5 • TR-17 • 7-6 • 7-7 • 7-8 • 7-9 • 7-10 • 7-11 • 7-12 • 7-13 • 7-14 • 7-15 • 7-16 • S7-1 • S7-2 • 7-17 • 7-18 • 7-19 • 7-20 H7-1 • H7-2 • H7-3 • H7-4
Episode 08	R8-1 • TR-18 • M8-1 • R8-2 • R8-3 • M8-2 • R8-4 • M8-3 • R8-5 • M8-4 • R8-6 • M8-5 • R8-7 • R8-8 • M8-6 • R8-9 • R8-10 • M8-7 • R8-11 • M8-8 • JT8-1 • JT8-2 • JT8-3 • END8-1 H8-1 • H8-2 • H8-3 • H8-4 EG-1 • EG-2 • EG-3 • EG-4 • EG-5
Episode 09	Part 1 Recap • 9-1 • 9-2 • 9-3 • 9-4 • 9-5 • 9-6 • TR-19 • 9-7 • 9-8 • 9-9 • 9-10 • 9-11 • 9-12 • 9-13 • S9-1 • 9-14 • 9-15 • 9-16 • 9-17 • 9-18 • 9-19 • 9-20 • 9-21 S9-2 H9-1 • H9-2 • H9-3 • H9-4 • H9-5 • H9-6
Episode 10	10-1 • 10-2 • 10-3 • TR-20 • 10-4 • 10-5 • 10-6 • 10-7 • 10-8 • 10-9 • 10-10 • 10-11 • 10-12 • 10-13 • 10-14 • 10-15 • 10-16 • 10-17 • 10-18 • 10-19 H10-1 • H10-2 • H10-3
Episode 11	11-1 • 11-2 • 11-3 • 11-4 • 11-5 • 11-6 • TR-21 • 11-7 • 11-8 • 11-9 • 11-10 • 11-11 • 11-12 • 11-13 • 11-14 • 11-15 • 11-16 • 11-17 • 11-18 • 11-19 • 11-20 • 11-21 H11-1 • H11-2 • H11-3 • H11-4
Episode 12	12-1 • TR-22 • 12-2 • 12-3 • 12-4 • 12-5 • 12-6 • 12-7 • TR-23 • 12-8 • 12-9 • 12-10 • 12-11 • 12-12 • 12-13 • 12-14 • 12-15 • 12-16 • 12-17 • 12-18 • 12-19 • 12-20 • 12-21 H12-1 • H12-2 • H12-3 • H12-4

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