Avan
if we see here goblins hobgoblins and orcs, why not show that there is also a gate that the doomsday strike them to come to our worlds and they are much stronger than us but they are here to make our world here there new home and fight with us, and they are different races than humans two, like the elves dwarves, but they are on our side, and giving us a new hope, and alex didn't even know it and see it in is past life before, a all new really, and it is 1 of the few things that is changes from his past life and new things that didn't happen before, well the Author give me an idea, and i suggest it back. hope it may give you few more ideas for later chapters. :)