The "Ottoman turn lag" in Empire: Total War (including Darthmod) is a notorious pathfinding bug where the AI attempts to move hundreds of single-unit stacks across the Bosphorus strait at Istanbul, overwhelming the engine. Steam Community Best Immediate Fixes Block the Strait with a Ship
For players of Empire: Total War using the legendary DarthMod , nothing kills a grand campaign faster than the "Ottoman Turn Lag." This notorious bug can stretch AI turns from seconds to 20+ minutes, often occurring because the AI gets caught in a pathfinding loop—shuffling dozens of single-unit stacks across the Bosphorus strait.
If the land bridge fix doesn't work, the AI is likely stuck on naval pathfinding. Use a small fleet to blockade every Ottoman port.
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