Nope it's not a vector. It was cut from a picture I found at Minitokyo (by using paths xD)
I have no idea, well, i do... but I'm not sure.
1) Yukiru Sugisaki wanted to make him look like a bad-ass boy -.-"
The second reason is a small spoiler... It's not much, but...You already know it from Krad... don't know if you know it happens to dark too.
2) they are thorn because Dark brought out his "true" wings. Like you've seen with Satoshi, you're clothes get wrecked from wings that sprout from your back.. xD;
I have no idea, well, i do... but I'm not sure.
1) Yukiru Sugisaki wanted to make him look like a bad-ass boy -.-"
The second reason is a small spoiler... It's not much, but...You already know it from Krad... don't know if you know it happens to dark too.
Spoiler:
2) they are thorn because Dark brought out his "true" wings. Like you've seen with Satoshi, you're clothes get wrecked from wings that sprout from your back.. xD;