Right lesson one is be descriptive, you need to tell us what you are doing. Little charecter traits should be roleplayed, so as to add realism. Using correct Grammer and Punctuation is a must, people do no respect what they cannot read.
"I saw it, there, in the sewers...for just a second. All hunched over, skin pale white beneath those rags...so many rags. The vermin crawled about his feet like idolaters at worship, and I swear that the wind drew breath in a frightened gasp at his passing. He wore cold like a cloak and I swear that behind that smiling golden mask he was laughing at me as his curved blade rose and fell, cutting through my men. It left wounds filled with crystals of salt...the screams...the screams...and the pants....Gods! The Pants!!!"
-Captain Urtin, who salted and ate his former soldiers."Jar-Jar you're a genius!"