Aion2DataGlobal client 2.0.6.0 · read from the game files · unofficial

Earth's Promise

PassiveChanterStaff

Earth's Promise is a Chanter passive skill learned at character level 21. It goes up to level 40; skill points buy levels up to 10 for 21 points in total and Daevanion nodes add 4 more. At level 10: Reduces the target's PvE Damage Tolerance by 9% and PvP Damage Tolerance by 4.5% for 5s each time an attack lands.

Description

10 / 40

Reduces the target's PvE Damage Tolerance by 9% and PvP Damage Tolerance by 4.5% for 5s each time an attack lands. [Earth's Promise]'s PvE/PvP Damage Tolerance reduction effect does not apply when used together with the Cleric skill [Chain of Torment]. Cooldown: 10s

Values by skill level

The numbers of the description that change with level, from SkillEffect / SkillAbnormalEffect and their level tables; column names come from the words around each number.

LevelPvE Damage Tolerance %PvP Damage Tolerance %
15.42.7
573.5
1094.5
15115.5
20136.5
25157.5
30178.5
35199.5
402110.5
All 40 levels
LevelPvE Damage Tolerance %PvP Damage Tolerance %
15.42.7
25.82.9
36.23.1
46.63.3
573.5
67.43.7
77.83.9
88.24.1
98.64.3
1094.5
119.44.7
129.84.9
1310.25.1
1410.65.3
15115.5
1611.45.7
1711.85.9
1812.26.1
1912.66.3
20136.5
2113.46.7
2213.86.9
2314.27.1
2414.67.3
25157.5
2615.47.7
2715.87.9
2816.28.1
2916.68.3
30178.5
3117.48.7
3217.88.9
3318.29.1
3418.69.3
35199.5
3619.49.7
3719.89.9
3820.210.1
3920.610.3
402110.5

Raising Earth's Promise above level 10

Points buy levels 1–10. Daevanion skill nodes and the skill effects soul binding adds to gear raise it further, up to level 40.

Daevanion nodes: +4 levels → level 14

BoardOpens atNode costCheapest path from the startAdds
Zikellevel 202 points4 points+1 level
Zikellevel 202 points9 points+1 level
Vaizellevel 302 points4 points+1 level
Triniellevel 402 points11 points+1 level

From DaevanionNode: skill nodes add levels to one skill. The path cost counts every node on the cheapest way there from the board's start (our calculation, as in the planner).

Gear: soul-binding skill effects

Top, Legs, Helm, Pauldrons, Gloves, Shoes… (1,772 items): soul binding draws up to 3 skill effects, each landing with 20%; a landed effect picks Earth's Promise 1,000 times in 10,000 and adds +1 level.

Chance one item gets it: 5.88% — 1 − (1 − 20% × 10%)3, our calculation, assuming the draws are independent.

Arcana: skill effects by grade

ArcanaPicks Earth's PromiseLevelsCommonRareEpicUnique
ChaliceChalice of Vigor, Chalice of Magic4.55%+1…+44.55%1 draw8.89%2 draws13.04%3 draws17%4 draws
MirrorMirror of Vigor, Mirror of Magic20%+1…+420%1 draw36%2 draws48.8%3 draws59.04%4 draws

ItemEquipSubstatSkill: each arcana grade draws a fixed number of skill effects; an effect adds +1 level and +1 per enhancement step, up to +4. Chance at least one draw picks Earth's Promise: our calculation, independent draws.

Skill point cost by level

SkillAcquireData: character level needed and points for each skill level.

Skill levelCharacter levelSkill pointsRunning total
12100
22111
32112
42113
52125
62127
72129
821413
921417
1021421

Other Chanter passive skills

All 10 Chanter passive skills

Skill ID 18780000. From the game files: client 2.0.6.0 (Steam build 25767555, 2026-10-07).