Classic route! Climb up the slab - one tensiony move near the start leads to very easy climbing until you reach the overhang. Clip up and collect your thoughts. When you're ready, head up the steep overhang. There is a kneebar opportunity where you can catch a shake. Traverse left in a yellow rock band with poor feet. Make a couple more long pulls to the anchor.
There is also an anchor after the slab (at the base of the overhang). Stopping here would be about 11a.
Head right from the starting slab of "Left or Right" and "Piercing de Caveira" and you will see two routes that start on a yellow slab. Cocoon is the right line.
Many bolts to bolted anchor. All draws are fixed.