You'll spot the entrance in tamba highlands by looking for a shrine with yellow ribbons, its usually pretty easy to spot from the main path. Once there youre gonna want naoe since their agility makes this whole thing way smoother, and start climbing the yellow-marked wall next to the shrine. The actual sequence is pretty straightforward but timing is crucial, especially when you hit the grappling sections where you need to release right at the peak of your swing to clear the gaps. Keep an eye out for candles and painted markers along the way, they'll guide you through some tricky spots including a tight crawl space and several waterfall crossings that need precise jumps.

When you reach the broken bridge section, watch your momentum carefully since mistiming the swing here usually means starting over. The path opens up to some island platforms in the stream, and theres a specific rhythm to the grapple points - release too early or late and youll miss the landing zones completely. Something interesting about this one is how the visual guides actually match the optimal path, so if you see flags or rock paintings definitely follow those.

At the end youll get hibiki's hood which is pretty solid for stealth builds since it removes health segments on kunai kills, plus a knowledge point that might be worth saving for later skills. Just remember you can actually reroll the hood's perks if you save before opening the chest, might take a few tries to get the exact stats you want.