Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms:
1. The main character and Chara
2. The hero with the lost soul
3. The explorer with the wanderer
4. The courageous one x the troubled spirit
5. The challenger x the wanderer
Remember, you can create an infinite number of combinations using different synonyms and variations, but make sure to maintain readability and coherence.
