Kotetsu HaganeTempered Strength5★ · Bravery · #852
Rebirth Online character reference
Kotetsu Hagane
Tempered Strength
6★ · Bravery · Card #853
- Range
- Mid
- Cost
- 60
- Reduced cost
- 36
Stats and upgrades
Rebirth Online character references use the published roster and balance data collected on October 17, 2026.
Maximum level and limit-break values exclude pills and ability bonuses. Fully upgraded values include the recorded pills and unlocked abilities. Missing values stay unlisted.
| Level | HP | ATK |
|---|---|---|
| Max level · Lv. 100 | 1,678 | 1,572 |
| Limit break | Not listed | Not listed |
| Fully upgraded · abilities and pills | 1,978 | 1,672 |
| Level | HP | ATK | Speed |
|---|---|---|---|
| Max level · Lv. 100 | 31,882 | 2,515 | 214 |
| Limit break | Not listed | Not listed | Not listed |
| Fully upgraded · abilities and pills | 32,182 | 2,615 | 244 |
Field, buddy and sync bonuses are conditional and are not included in these values. Mission and PvP values are kept separate.
Techniques
Mission techniques
Summoning Jutsu
Ninjutsu · 5 chakra
5.3x attack to 1 enemy(s) in range (6.5x attack if they are immobilized) and knocks them back.
Damage depends on the conditions in this description.
Genjutsu: Shattering Darkness
Secret technique · 10 chakra
14x attack toward 1 enemy(s) in range. If they are immobilized, 16x attack instead.
Damage depends on the conditions in this description.
PvP techniques
Summoning Jutsu
Ninjutsu · 5 chakra
4x attack to 1 enemy(s) in range (5x attack if they / are immobilized) and knocks them back.
Damage depends on the conditions in this description.
Genjutsu: Shattering Darkness
Secret technique · 10 chakra
9x attack toward 1 enemy(s) in range. If they are immobilized, 10x attack instead.
Damage depends on the conditions in this description.
Support skills and abilities
Mission descriptions. Effects depend on placement, unlocked abilities and activation requirements.
Field skill
Reduces damage by 10%-15%.
Buddy skill
Reduces Wisdom-elemental damage by 20%.
Sync skills
- Sync With Bravery
Lowers rate of getting chakra recovery sealed by 20% (excluding Field Effects and F Skills).
- Sync With Mid Range
Lowers rate of getting jutsu sealed by 20% (excluding Field Effects and F Skills).
Abilities
- Jutsu Sealing Resistance
Lowers rate of getting jutsu sealed by 10% (Not F Skills).
- Chakra Recovery Sealing Resistance
Lowers rate of getting chakra recovery sealed by 10% (Not F Skills).
- Jutsu Sealing Resistance
Lowers rate of getting jutsu sealed by 20% (Not F Skills).
- Chakra Recovery Sealing Resistance
Lowers rate of getting chakra recovery sealed by 20% (Not F Skills).
PvP support skills and abilities
Field skill
Not listed for this mode.
Buddy skill
Not listed for this mode.
Sync skills
No skills listed.
Abilities
No skills listed.
Related Kotetsu Hagane forms
Kotetsu HaganeTempered Strength5★ · Bravery · #852
Kotetsu HaganeThe Deceptive Proctor3★ · Heart · #30Sources and credits
This is an independent, unofficial fan reference. We do not own this character or develop or operate the game. Sources identify the reference material; they do not establish reuse permission.
Game reference
Separate data rightsBlazing Online Wiki character data and published balance changes.
Stats and game descriptions are separate from the wiki text license. Permission to redistribute protected game or community-authored material has not been confirmed.
Character artwork
Permission unverifiedCharacter artwork belongs to its respective rights holders. The wiki text license does not cover these images.