Slenderfur nodded again. "I was in RiverClan once.... But I left... Because... Well I just left..." he murmured.
"It was ages ago th-" he said, breaking into a rasping cough at the end. He'd been travelling hard to get here.
"Great StarClan why did I leave.." he said under his breath.

The tall tom nearly yowled in surprise and whirled around, unsheathing his claws. "Ah! I'm Slenderfur! And.... Uh...." he stammered. Great StarClan I'm better than this... the once-silken tongue Slenderfur thought, berating himself.
"I... Uh.... I'm back...?" the exhausted tom managed to pant, his condition worsened by the fright.

First of all, what does semi advanced mean?
Semi-advanced means that you use the spelling, grammar, description etc of advanced RP but not the amount of text.
Honestly, I can't keep up with advanced RPers.
So semi-advanced is, in my books, a lot shorter. But please don't only post a single action.

Slenderfur padded miserably across the outer RiverClan border. He'd been gone so long... He wondered if anyone knew who he was. He looked shaggy and unkempt, his tail had a noticeable kink in it from a fight long ago that he had forgotten. He let out a long, quiet, exhausted sigh and sat down near a tree to catch his breath. He looked like the physical manifestation of sorrow in his midnight black fur as he buried his white face deep in his own thoughts.

Now this seems interesting
Characters name: Slenderfur
Character's alliance: RiverClan
Character's species: Cat
Main-game or Non-maingame: Main-game
Powers or no Powers: No Powers
Cats only?: Yes
Advanced?: No, I can't manage full paragraphs, but literate would be nice .u.

Slenderfur let out a barely-audible hiss, and looked away from the other cats. He was content to die.

Hesitating- Or just being slow?- Slenderfur gasped weakly and whispered "Tried to... get fox.... got me..". He tried to look up, but once again, collapsed. He was just too weak, too close to death, to do anything more than wait.

Solaire had his back to the other two, and was gazing up at the sun once more, this time at the sun shrine across from the bonfire.