Which of these concepts has the most potential???

http://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fmedia.lolusercontent.com%2Fapi%2Fembedly%2F1%2Fimage%2Fresize%3Furl%3Dhttps%253A%252F%252Fs-media-cache-ak0.pinimg.com%2F564x%252F26%252F00%252Fc1%252F2600c17d308561fe68918c2b9907340b.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=150

http://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fmedia.lolusercontent.com%2Fapi%2Fembedly%2F1%2Fimage%2Fresize%3Furl%3Dhttps%253A%252F%252Fs-media-cache-ak0.pinimg.com%252F564x%252Ff4%252Fbf%252F85%252Ff4bf8569df9d11e06d44d71b4faa1483.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=150

https://s-media-cache-ak0.pinimg.com/564x/f9/99/09/f9990984af8e70fe76ffce2c5c15e179.jpg This concept would be purely undead, not alive like the picture.

https://s-media-cache-ak0.pinimg.com/564x/93/ba/2a/93ba2ab75ca9b5d593a4c518f6eed3b5.jpg This ^ and V are for the same concept. They would be a spite mage. https://s-media-cache-ak0.pinimg.com/236x/69/a3/d2/69a3d2e14fbfe39b168c3dfbc1d2e736.jpg

These girls would be similar to the Lunar Wraith characters. Ignore the other people. https://s-media-cache-ak0.pinimg.com/564x/82/93/fa/8293fa24838e00c81a8a42ab1c8f7a92.jpg

https://s-media-cache-ak0.pinimg.com/236x/64/2b/c2/642bc2e22cbc4e59ab3fd64e1d3edcee.jpg This witch would specialize in debuffs and be an opposite of Sona in a way. One idea for an ability I had was:

Volatile Curse: Curse target enemy, dealing light magic damage every second for 4 seconds. A health counter is also placed on the enemy based on their current health. If enough damage is dealt to sate the curse's health counter, the curse deals damage based on the health counter's size.

http://orig01.deviantart.net/be79/f/2013/326/7/6/odina___adv_by_toru_meow-d6v5601.jpg ^And V Are same person. http://orig15.deviantart.net/d687/f/2013/326/f/b/odina___reg_by_toru_meow-d6v55vv.jpg