Hi this is my very first build on Riven, the Exile. I decided to make this build because i was on a losing/feeding streak for 2 days. then i talked to my pro friend and he said it was because of my items. after that i put together my build. I have come up with a build that turns riven into DPS, but every item adds either magic resist or armor.

Now i take armor penetration runes obviously, armor seals and magic resist glyphs to be a little more durable, and attack damage quintessences to make up for lost AD.

i chose 21/9/0 masteries because in offense i still want add a lot of AD, to me is good entire game, and 9 in defense for more durability in fights.

I start off with boots with 3 pots for the early game speed and build into merc treds for the CC and better speed. boots have actually saved me from a killing blow from xereth. next is wits end. this item starts your DPS transformation while the passive is like bloodrazors, and i even get some magic resist. Second is sunfire cape to balence your magic resist with your armor while doing constant AoE(lol i have no idea what this means but im pretty sure its describing burst damage) damage. now i get bloodrazor to fully become DPS while adding armor, and even more extra magic damage. Now i mostly get atmas for the damage and armor and the extra hp from sunfire adds to that. lastly, i buy force of nature to catch up to my armor and balance them out, get extra move speed, and for the hp regen because i noticed when i was killing ancient golem my hp went down but almost never regened.

Although sometimes i dont do this because im rushing, you should auto between every q for bonus auto attack damage. to harrass i use q twice in bushes(is youre in there) valor stun then q(and then auto if you have enough time.

When running away and i see an ally close to me with very little hp i valor behind then stun and broken wings away

So basically you become a DPS Riven with decent magic resist and armor.