Debilitating Mark.

Cleric active mastery skill, unlocked at level 1.

Global · 19 Sept 2026

What it does

Select a target within 20m and deal 54 Wind damage to up to ? enemies within 4m of the target. Reduces enemy PvE Damage Boost by PvEAmplifyDamage%, PvP Damage Boost by PvPAmplifyDamage%, and deals 10000 Damage over Time every 1000 for 10000. 10 Stagger Gauge Damage

Text from the KR/TW client; Global numbers may differ.

Specialisations

3 slots

From level	Effect
8	Removes MP Consumed and restores 150 MP
8	-15% target Defense for duration of Damage over Time
8	Has a 20% chance to inflict Stun on the target for 3s
12	+10% PvE Damage Boost reduction and +5% PvP Damage Boost reduction
16	Ignores Block and Evasion and reduces Damage over Time interval by 50%

Point cost

21 points in total

Skill level	Points	Character level
1	0	1
2	1	1
3	1	4
4	1	7
5	2	10
6	2	13
7	2	16
8	4	19
9	4	22
10	4	25

More Cleric skills

All

Earth's Retribution Active · level 1 Judgment Thunder Active · level 1 Warm Benediction Passive · level 1 Dodge Active · level 1 Divine Aura Active · level 3 Chain of Torment Active · level 4 Lightning Strike Scattershot Active · level 5 Empyrean Lords' Benediction Passive · level 6 Light of Regeneration Active · level 7 Condemnation Active · level 8 Empyrean Lord's Grace Passive · level 9 Healing Light Active · level 10

Data from the Global client build of 19 Sept 2026 ; skill descriptions come from the KR/TW client, so a number inside one can differ on the Global servers — the tables above are Global values . Snapshot taken 30 Sept 2026. AtreiaLegend is an unofficial fan site, not affiliated with or endorsed by NCSOFT. AION and all related content are trademarks of NCSOFT Corporation.