[When is the Formorian event going to start?]

Vay Hek was busy breathing Tenno air in the new strata relay.

[MR 9 test]

Jumping through them from above won't alert them except you got too close to their face or stepped them on the head, besides, getting some enemy radar mods really helps. Practices help a lot too.

Oh, and, try your best to stealth kill the enemies (there's gonna be a lil tag popping out telling you to press E when you approach unalerted enemies from behind, just in case you don't recognize it) since it doesn't make 5 meter wide sounds like normal slashes do.

[I need some guidance]

I'm just wondering that have you been using the warframes' abilities? It changes the gameplays a lot if you mix weapon and ability usages properly.

Besides, you should go around some defense missions to max out you equipments' rank, just in case you haven't done it yet.

[Loading time has increased by a LOT]

Dude I got stuck at the loading screen for over 10 mins today that I almost done typing a question about it here after clicking around distracted by other threads. It just happens sometimes. Besides, hosts with really bad internet connections might get you stuck at loading screens too.

Oh, and, defragging your HDD too often also is bad for them as I know.

[Where can i farm valkyr, venka and cernos relics real quick?]

Smash your plats right to some players' faces and there you go.