Vulkan He'stan

Vulkan He'stan has a 3+ invulnerable save.

In your Command phase, select one friendly SALAMANDERS CORE or SALAMANDERS CHARACTER unit within 6" of this model. Until the start of your next Command phase, each time a model in that unit makes an attack with a flame or melta weapon (see Codex: Space Marines), you can re-roll that attack’s hit roll and you can re-roll that attack’s wound roll.

While a friendly CORE unit is within 6" of this model, each time a model in that unit makes an attack, re-roll a hit roll of 1