If you, like me, expected the new Ghost of Tsushima: Legends raid to drop during today's update at 11am ET, you've probably figured out by now (like me) that that wasn't the case. Instead, Sucker Punch Productions dropped new weekly content this morning by way of new weekly challenges on Nightmare mode. Best these challenges and you'll be raid-ready when "The Tale of Iyo" drops later today. Just when, exactly? It's looking like 6pm ET, assuming everything goes according to plan. But being raid-ready isn't just about leveling up your gear and …