As the Grimm attack Vale, a new force suddenly appeared and invades. Ruby Rose attempted to defeat the invaders and succeeds to an extent, but gets knocked out by a lucky blow. She is then taken prisoner and imprisoned on ADVENT's earth. Now with limited support, she must find out what happened to Remnant before the Avatar Project is completed.

They came from the stars. They sought to control our hearts, minds, and souls. But they underestimated us, assumed we would fall. Ten years ago, we won the war. Now hear the stories from those who fought it. RWBY/XCOM: Enemy Within Crossover, told in the style of World War Z.

[DISCONTINUED.] Tossed in a new world... One full of strange enemies and even stranger humans... And yet, there is one thing that remains the same: Humanity is in danger. And Christopher Redmond had sworn to protect Humanity... Rated T because of XCOM

The world is filled with strange locations where people just mysteriously disapear. The bermuda triangle would be a prime example of such a place. But where do they go? Teams RWBY and JNPR stumble into one of these locations, and suddenly find themselves fighting someone else's war, in the slim hope that victory could lead them home.

My OC from XCOM, enemy within, The Rookie Daniel Shen, the son of Dr. Shen, arrive at the world of RWBY alone, with his weapons and mutations. What will he find in Remnant? Who knows. Oh, yeah, MY. (Evil laugh.) Expect Harem, but not sure if I will do some lemons, what should I do? :3