So this isn't the usual request for advice as it's not related to mechanics, but for flavor. I am trying to plan out an arcane archer build for a Kitsune and in order to take advantage of the his charisma bonus I thought I'd go the sorcerer route, he'll also take levels in fighter and one in the ranger hooded champion archetype. The only problem is that most bloodline powers are only good if you continue to take levels in sorcerer which I will not be doing since I am going to be an arcane archer. I did find a combination that could be cool by taking the crossblooded archetype and choosing the Marid bloodline and rime-blooded wildblood line. They allows me to change the type and descriptor of spells to cold and then one character damaged by the cold can be slowed. The only problem is I really like to have a good backstory for my characters, but I can not think of how to make this build work as far as the backstory goes. Anyone have any ideas?
Assuming that you can take the wildblooded and crossblooded archetypes together - not necessarily the case - then looking at the descriptions,
Rime-blooded refers to 'the wintry origin of your magic'.
The Marid bloodline refers to water genies.
Fighter has no particular flavour.
Hooded Champion is a ripoff of Robin Hood, but if you're only taking 1 level in it it mainly means you're an archer and a showoff, and only maybe something of a rebel.
Kitsune are notorious for being tricksters.
Given that you say you're taking multiple levels of fighter I'm guessing that you're more an archer who enhances their arrows than a sorcerer, despite the mention of cold spells.
Maybe your ancestor got mixed up in a territorial conflict between a winter witch and a marid, so concocted a scheme to convince each of them that she was on their side and to steal the magic from the location they were fighting over. And hey, it worked! White fur and cool blood are a small price to pay for kewl magical powers, right?
That was back in her day. There's not so much left of her legacy now and your kitsune was earning a living as a hunter, with their main amusement being the county fair - especially the archery contests - when as they concentrated really hard on taking a shot in the finals of one of those contests, they felt a sharp pain and a mystic force guided the arrow to its target. This was seen and was a clear breach of the contest rules, they left embarrassed. The next day they set off to make a name somewhere else.
They spent some time trying to deny the magic (fighter levels) before turning to embrace it (arcane archer). Adjust this as necessary for whatever the starting level is.
BTW - on mechanics, the Arrowsong Minstrel blends archery and magic better than your multiclass IMO and leads very naturally into Arcane Archer.
I second the Arrowsong Minstrel. The archetype provides access to evocations spells from the Wiz/Sorc list, and allows you to make ranged touch attacks through your fired arrows. This could give your back story added consistency.