Tectonic armor

 is a craftable Hardmode armor set crafted from the Molten armor and Tectonic Plates. It requires a total of 15 Tectonic Plates along with the Molten armor to craft the full set.

It consist of the Tectonic Helmet, the Tectonic Breastplate and the Tectonic Leggings

The Tectonic Helmet gives 10 defense, 6% increased damage; the Tectonic Breastplate gives 16 defense, 6% increases critical strice chance and the Tectonic Leggings gives 10 defense and 15% increased movement speed.

A full set provides a total of 36 defense, 6% increased damage, 6% increased critical strice chance. Its set bonus increases your damage and crit chances depending on your move speed Basalt eruptions won't follow you anymore.