
| Req. Level | 55 |
Weapon
| to All Skill Levels | +3 |
| Faster Cast Rate | +40 |
| Damage to Demons | +75 |
| AR vs Demons | +100 |
| Cold Dmg Added | +3 ~ +14 |
| Mana Stolen per Hit | +7 |
| +10 to Dexterity | |
| Replenish Life | +20 |
| Increase Maximum Mana | +15 |
| All Resistances | +30 ~ +40 |
| Lv.4 Oak Sage (25/25 Charges) | |
| Lv.14 Raven (60/60 Charges) | |
Heart of the Oak is a Runeword in Diablo II: Resurrected. Base: any eligible socketed base. Requirements: level 55, strength 0, dexterity 0. Stats: to All Skill Levels 3, Faster Cast Rate 40, Replenish Life 20, Increase Maximum Mana 15, All Resistances 30–40, Oak Sage 4. How to obtain: socket Ko + Vex + Pul + Thul in that order into an eligible base.