There are several ways you can approach Scadu Altus, the expansion for Elden Ring, which introduces players to a new realm with its own challenges, lore, and environmental puzzles to solve. Here are some tips as to how you might approach your exploration in the expansion:
Accessing Scadu Altus
•Castle Ensis: The primary route to Scadu Altus is through Castle Ensis. After defeating Rellana, Twin Moon Knight, the gate to Scadu Altus opens.
•Underground Cave near Moorth Ruins: There's an alternative less straightforward route through an underground passage accessible near the Moorth Ruins, leading to the eastern part of Scadu Altus.
Exploring the Region
Sites of Grace:
•Scadu Altus, West: Found by navigating west from the Highroad Cross site of grace.
•Scadu Altus, East: Accessed via the underground route or by further exploring the region.
Key Locations:
•Moorth Ruins: Contains a significant secret with a hidden passage beneath it, leading to the eastern part of Scadu Altus.
•Shadow Keep: A crucial area for progression and unlocking further parts of Scadu Altus. Here, you'll encounter the Darklight Catacombs and other points of interest.
•Ruins of Unte: Requires progression through Shadow Keep and activating a specific mechanism involving a giant pot.
Items of Interest:
•Scadutree Fragments: These are essential for upgrading your attack and defense against DLC enemies. Users on platforms like X have highlighted their importance.
•Fire Knight’s Cookbook [1]: Found in a camp west of the Moorth Ruins site of grace.
•Heal from Afar Incantation: Located near poison flowers in the tunnels beneath Shadow Keep.
Bosses and Enemies:
•Rellana, Twin Moon Knight: The gatekeeper to Scadu Altus.
•Optional Bosses: High-level bosses in locations like Fog Rift Fort or in the depths of Ruins of Unte, designed for players seeking a challenge similar to Malenia from the base game.
Tactics and Strategies: 
•Use of Spirit Springs: These allow for quick traversal across the landscape, useful for avoiding or engaging enemies.
•Summoning: Utilize Spirit Ashes or co-op for tougher encounters, especially in boss fights like those in the Ruins of Unte or Darklight Catacombs.
•Environmental Awareness: Use the terrain for advantage. For instance, some areas have natural chokepoints that can be used to manage enemy aggression.
Secrets and Hidden Areas:
•Explore thoroughly; there are hidden paths (like the one near Moorth Ruins) and secret areas that can be accessed by solving environmental puzzles or finding cleverly concealed entries.
General Tips 
•Preparation: Ensure your build is optimized for the area. Scadu Altus introduces new mechanics like the Scadutree blessings, so adapting your strategy around these can be beneficial.
•Exploration: Don't rush. Scadu Altus, much like the rest of Elden Ring, rewards thorough exploration. Look for hidden items, which might be tucked away in hard-to-reach spots.
•Engage with the Community: Posts on platforms like X often provide real-time strategies or overlooked tips for exploring or conquering this area.
Conclusion
Despite the fact that this guide is based on typical FromSoftware elements and the themes of "Shadow of the Erdtree," your actual play experience may reveal even more unique features or gameplay twists tailored for this expansion. Scadu Altus is a great place to explore!
