Heal Block.

Cleric passive mastery skill, unlocked at level 15.

Global · 19 Sept 2026

What it does

Has a 7% chance to reduce the target's Incoming Heal by 32% for 5s on landing an attack. Cooldown: 5s

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

Point cost

21 points in total

Skill level	Points	Character level
1	0	15
2	1	15
3	1	18
4	1	21
5	2	24
6	2	27
7	2	30
8	4	33
9	4	36
10	4	39

More Cleric skills

All

Earth's Retribution Active · level 1 Judgment Thunder Active · level 1 Debilitating Mark 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

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.