| Lvl. | Name | Mods | Category | Quality | Item Type |
|---|---|---|---|---|---|
| 24 | Concentration | An uninterruptible attack that also temporarily improves your defense. | Suffix | Magic, Rare | Barbarian Helms |
| 48 | Concentration | An uninterruptible attack that also temporarily improves your defense. | Suffix | Magic, Rare | Axes, Daggers, Javelins, Maces, Polearms, Hammers, Scepters, Spears, Swords, Clubs, Amazon Spears, Assassin Katars |