Heightened Sixth Sense.

Assassin passive mastery skill, unlocked at level 1.

Global · 19 Sept 2026

What it does

Increases the caster's Evasion by 200 and HP by 150. Increases Max HP by an extra 1.5% and restores 85-102 HP on Evasion. Cooldown: 3s

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

Stat effects

Level 2 and 40

Stat	Level 2	Level 40
HP increase	7%	45%
HP	300	6,000

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 Assassin skills

All

Quick Slice Active · level 1 Savage Roar Active · level 1 Shadowstrike Active · level 1 Dodge Active · level 1 Ambush Active · level 3 Heart Gore Active · level 4 Storm Rampage Active · level 5 Exploit Weakness Passive · level 6 Whirlwind Slice Active · level 7 Flash Slice Active · level 8 Apply Poison Passive · level 9 Infiltrate 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.