A Thanatos class Dreadnought from the fall of the Reach winds up in the Azur Lane universe. (p.s. This is NOT a reader insert and may include graphic descriptions and vulgarity)

Guilliman and Ultramarines legion in the 42nd M have been Transported to the Halo galaxy they will meet new friends and foes And what will the UNSC and Covenant reaction to this new force?

In another world where xenomorphs and predators exist the USA goverment is experimenting in area 51 with captured xenomorphs and there eggs to make them into living wepons, but one egg in particuar that has been experimented on without knowing the after effects is send to the mass effect universe by accident with a teleporter prototype and lands on the same planet that the Normandy crash lands and the crew is formed of all the female members of the Normandy because during the firing of the crucible they where separated from the male members that took another ship. Little did the female crew know about what surprise awaits them.

A My Hero Academia X That time I got reincarnated as a Slime Follow Akashi Suraimu in his journey to be a hero! OR will the darkness of the world make him fall into the depths of villainy?