In the Harry Potter world, but we are our own characters. We use their places and spells.
1) Make up your own character.
2) HP lingo.
3) In the bio, post your wand structure.
4) Try to talk british.
5) Make it actiony, but not gory.
Spells to use when needed:
Incantation Type of spell / charm Resulting Effect Accio/ Charm/ Summons an object
Alohomora/ Charm/ Opens lokced objects
Aparecium/ Spell/ Reveals invisible ink
Avada Kadavra/ Curse/ Murders opponent Unforgivable
Avifors/ Charm/ Turns small objects into birds.
Avis/ Spell/ Launches birds from your wand
-- -- --
Crucio/ Curse/ Tortures opponent Unforgivable
Confundus/ Charm/ Used to confuse opponent
Conjunctivitis/ Curse/ Damages opponents eyesight
-- -- --
Deletrius/ Spell/ Counters "Prior Incatato"
Densaugeo/ Spell/ Enlarges Teeth
Diffindo/ Spell/ Splits seams
Dissendium/ Spell/ Opens "One eyed witch" hump
-- -- --
Engorgio/ Charm/ Enlarges and item
Ennervate/ Spell/ Counters Stupefy
Expecto Patronum/ Charm/ Creates a Patronus
Expelliarmus/ Charm/ Disarms your opponent
-- -- --
Ferula/ Spell/ Creates bandages
Fidelius/ Charm/ Hides a secret within someone
Finite Incantatum/ Spell/ Stops any current spells
Flipendo/ Jinx / Knocks an object backwards
Furnunculus/ Curse/ Produces boils on opponent
-- -- --
Homorphus/ Charm/ Lockhart's Werewolf "cure"
-- -- --
Impedimenta/ Charm/ Slows an advancing object
Imperio/ Curse/ Controls a person Unforgivable
Impervius/ Charm/ Makes an object repel water
Incendio/ Spell/ Starts a fire
-- -- --
Locomotor Mortis/ Curse/ Locks opponents legs
Lumos/ Spell/ Creates light at wand tip
-- -- --
Mobiliarbus/ Charm/ Moves objects with wand
Mobilicorpus/ Spell/ Moves unconcious bodies
Morsmorde/ Spell/ Conjures the Dark Mark
-- -- --
Nox/ Spell/ Counter to Lumos
-- -- --
Obliviate/ Charm/ Erases memories
Orchideous/ Spell/ Conjures a bunch of flowers
-- -- --
Petrificus Totalus/ Spell/ Body - Bind
Point Me/ Charm/ Wand acts like a compass
Priori Incantatum/ Spell/ Result when brother wands duel
Prior Incantato/ Spell/ Reveals a wands last spell / cast
-- -- --
Quietus/ Spell/ Counter spell for Sonorus
-- -- --
Reducio/ Spell/ Returns items to original size. Counters Engorgio
Reducto/ Spell/ Blasts solid objects aside
Relashio/ Spell/ Releases user from binding
Rictusempra/ Charm/ Tickles opponent
Riddikulus/ Spell/ Use this spell and laugh to defeat a boggart
-- -- --
Scruge/ Charm/ Destroys ectoplasm (remains of ghosts)
Serpensortia/ Spell/ Produces Snake
Sonorus/ Spell/ Amplifies voice
Stupefy/ Spell/ Knocks out opponent
-- -- --
Tarantallegra/ Spell/ Forces opponent to dance
-- -- --
Waddiwasi/ Spell/ Unsticks an object
Wingardium Leviosa/ Charm/ Makes on object fly
http://www.pojo.com/harrypotter/spelist.shtml 
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