Season 12 Gladiator set

The Season 12 Gladiator sets are a type of item set. Each set consists of 5 pieces.

Sets
Some classes have several sets, each designed for a different talent tree.

Source
The set pieces are sold by the following vendors:


 * Dreadful
 * in Kun-Lai Summit
 * in Valley of the Four Winds
 * Malevolent
 * in Kun-Lai Summit
 * in Valley of the Four Winds