United in Stormwind Cards List & Guide
This minion can only take 1 damage at a time.
How do you get this card? According to google, "The Steel Sentinel is a boss found in the League of Explorers adventure. It is the second boss in the adventure's fourth and final wing, Hall of Explorers." I have played all levels and wings of League of Explorers and have not received this card. Nor can I find it when I do a search, in all cards (not just standard) even using the crafting mode. Nothing shows