Thoughts for next time are don't get rushed into shooting. It was getting late in the evening though. If i'd remembered to teleport one of my last squads of Necrons closer to the objective it could well have been a draw.
The rules for how the Monolith is used are still causing some confusion for me. If says in the FAQ that it deep strikes from reserve when available then a squad of Necrons which are available from reserve can come through the portal in the Monolith same turn and go 2" as if they were hopping out of a vehicle. I suspect a lot of it is 4 th edition codex being twisted to fit in with 5th edition Warhammer 40000. I can't wait for a new codex.
I've also been working on getting the two second hand Monoliths that i have painted to a reasonable standard. Its a slow process as there are a lot of very straight lines on both to be dry drushed and touched up.
Both have had their "handles" popped off. I won't put them back on till i'm almost done with the painting. The Monolith on the right with the brass fittings had a dodgy metallic blue paintjob on the sides which i've been working on covering up. Its saving grace was that the Necron rods haven't been glued in place so i can work without fear of painting over them. It was also the better assembled of the two with the black one having some joins not quite touching.