Normal errtels can be upgraded to Mastery Errtels.
There are 2 types of Mastery Errtels, Passion and Determination.
Mastery Errtels remove ranks and become normal, rare, or unique, based on their previous rank.
All Mastery Errtels can be upgraded except for Errtel of Radiance, it cannot be upgraded.
The normal 'Errtel of Radiance' can be used in a Mastery Pentagram.
To upgrade errtels you need to go to NPC Adniel

NPC Adniel
[Location]
Elbeland: 38, 216
Acheron: 38, 216
Normal: Have 1 option
Requires normal errtel:
Rank 1 Level 7 or higher
Rare: Has 2 options
Requires normal errtel:
Rank 1 Level 7 or higher
Rank 2 Level 0 or higher
Unique: Has 3 options
Requires normal errtel:
Rank 1 Level 7 or higher
Rank 2 Level 7 or higher
Rank 3 Level 0 or higher
Set Passion
2 Set Effect
Increase Elemental DEF +30
4 Set Effect
Increase Supreme Defense +45
Increase Elemental Base Defense +20
Set Determination
2 Set Effect
Increase Elemental ATK +40
4 Set Effect
Increase Supreme Attack +60
Increase Elemental Damage +100

Errtel upgrade success chance increases based on Errtel level.
When upgrading, all options from Errtel Normal are inherited.
To upgrade an errtel to mastery errtel, you need to go to Elbeland or Acheron and find the NPC ADNIEL.
Choose the option 'Mastery Errtel Upgrade'
Required Combination Material:
Normal Errtel
Errtel Emblem
30 Jewel of Bless
30 Jewel of Soul
10 Jewel of Creation
25.000.000 Zen
Successful Result: Mastery Errtel Level +0
Failed Result: Disappears
Probability of success
| Level | Rank 1 | Rank 2 | Rank 3 |
|---|---|---|---|
| 0 | Impossible | 85% | 100% |
| 1 | Impossible | 90% | 100% |
| 2 | Impossible | 95% | 100% |
| 3 | Impossible | 100% | 100% |
| 4 | Impossible | 100% | 100% |
| 5 | Impossible | 100% | 100% |
| 6 | Impossible | 100% | 100% |
| 7 | 70% | 100% | 100% |
| 8 | 80% | 100% | 100% |
| 9 | 90% | 100% | 100% |
| 10 | 100% | 100% | 100% |
Examples of probability of success:
If your normal errtel is rank 1 level 3, you can't upgrade it.
If your normal errtel is rank 1 level 8, an 80% success rate applies.
If your normal errtel is rank 1 level 10 and rank 2 level 2, an 95% success rate applies.
When upgrade an errtel, options that include an element will be converted to the same element of the errtel.
Example:
If we have an 'Errtel of blessing (Fire)' and the option 'Target Water type DEF Increases', upgrading the errtel the option will become 'Target Fire type DEF Increases'

Errtel before upgrade

Errtel After upgrade

NPC Priest James
[Location]
Elbeland: 32, 239

Errtel Emblem
To get the errtel emblem you must buy it with Ruud.
You have to go to Elbeland and find the NPC Priest James.
Price:
20.000 Ruuds


To level up a Mastery Errtel, you need to go to Elbeland or Acheron and find the NPC ADNIEL.
Choose the option 'Mastery Errtel Level Up'
Required Combination Material:
Mastery Errtel
Elemental Rune
Zen
Optional Material:
Elemental Talisman of Luck
Probability of success
| Before Leveling Up | After Leveling Up | Probability (+ Talisman of Luck) |
|---|---|---|
| 0 | 1 | 65% (+10%) |
| 1 | 2 | 65% (+10%) |
| 2 | 3 | 60% (+10%) |
| 3 | 4 | 60% (+10%) |
| 4 | 5 | 55% (+10%) |
| 5 | 6 | 50% (+10%) |
| 6 | 7 | 50% (+10%) |
| 7 | 8 | 45% (+10%) |
| 8 | 9 | 45% (+10%) |
| 9 | 10 | 30% (+10%) |
If the result is failed, the level will decrease by 1.