The question about getting mana in “Black Myth: Wukong” is not relevant to the context of unlocking the platinum trophy in “Elden Ring.” However, if you are asking about how to progress through “Elden Ring” to unlock the platinum trophy, here is a detailed step-by-step guide:

### Step 1: Understand the Requirements
– **Estimated Time**: 60-100 hours.
– **Difficulty**: 6-7/10.
– **Offline Trophies**: 42.
– **Online Trophies**: 0.
– **Missable Trophies**: 5 (including Legendary Armaments and Lichdragon Fortissax).

### Step 2: Plan Your Playthrough
1. **Choose a Build**: Select a build that suits your playstyle, but keep in mind that you need to focus on getting all the required trophies.
2. **Save Game Backups**: Make sure to save your game frequently to avoid missing any trophies, especially for the three endings (Elden Lord, Age of the Stars, and Lord of Frenzied Flame).

### Step 3: Progress Through the Game
1. **Complete Main Quests**:
– Follow the main storyline to unlock key areas and bosses.
– Defeat major bosses like Shardbearers and Dragonlords.

2. **Legendary Armaments**:
– Acquire all nine legendary weapons. Some are missable, so be sure to check their locations.

3. **Legendary Ashen Remains**:
– Collect all six legendary ashen remains.

4. **Legendary Sorceries and Incantations**:
– Acquire all seven legendary sorceries and incantations.

5. **Legendary Talismans**:
– Collect all eight legendary talismans.

6. **Bosses and Optional Bosses**:
– Defeat various bosses and optional bosses for trophies.

7. **Endings**:
– To get all three endings, you need to save your game before reaching certain points in the game and then reload to choose different paths.

### Step 4: Finalize Your Platinum
1. **Check Your Trophies**: Ensure you have all the required trophies.
2. **Save Your Game**: Make a final save to ensure you can go back if needed.
3. **Achieve Platinum**: Once you have all the trophies, you will unlock the platinum trophy.

By following these steps, you should be able to unlock the platinum trophy in Elden Ring.