Polarities Mod/Rhyolite Shield

The Rhyolite Shield is a craftable Hardmode accessory. A combination of the Obsidian Shield and, it has the effects of both items: it provides immunity to knockback and Burning, and reduces the damage of a single incoming attack by a third with a 30-second cooldown between activations of this feature.

Trivia

 * is a type of volcanic rock with a notable silica content similar to limestone, and can form obsidian if it cools quickly enough.