What if the new enemy are.....

Games Other Halo
1

The Reapers?!

Then there’d be this huge Halo-Mass Effect Crossover.

2

1 thing to say, I think it already has, promethean !!! The Prometheans were the highest and most respected group of Warrior-Servants in the Forerunner Ecumene. they also an extinct alien race which mysteriously vanished over 50,000 years ago.

3

I see what you did there

4

flood-reaper indoctrination, = mind blown, this is weird

5

> The Reapers?!
>
> Then there’d be this huge Halo-Mass Effect Crossover.

One word for you:

LOL

Wait, that’s three words.