Ori/Core Skip

The core skip avoids doing the top-right room of the Ginso Tree by leveling up in the top left room, and allowing the level up explosion to clear both sides. This is generally accomplished by bashing a red frog (containing 45 exp) close to the core, then killing it. Here is a video of this skip in action. There are a variety of ways to get your experience at the right amount for this trick, ranging from level 4-6. It is not a bad idea to simply copy the experience route of someone running the same category as you, noting the experience that they take or skip in the grotto and ginso tree.