Quote from _Ai_I kinda disagree on one thing myst. V can win a 1v1 against them all.
Vs Medusa, V just needs to not get in range of stone face and use the clones to beat her up. Same thing Marrow, but you need to work around hell fists, that's it.
Vs Ninja, go for the clones. Bait out the shinobi and then teleport away, you've pretty much won. Or posses it before the can shinobi.
In a 1v2 situation, the V needs to be fast and tele+posses medusa, stone face marrow. He probably will reap you while you're in posses mode, but by then medusa's stone face is on cd, V just needs to beat her up with clones.
two clones are not enough to fight medusa/marrow. and medusa has faster cast speed than possessing, so a medusa can scout V even the V is not in range, and can still select the V out of the range, once the V flashed, sudden kill
for marrow, the same thing happened, and even V possessed the marrow, the reaper spell still works, and can escape from the control of V
for ninja, yea, 1v1 you may win. But ninja is much cheaper, and only costs 4 pop, which means the order player can always bring out 2-3 ninjas vs one V. So still not viable fight.
Usually V only works well before the opponent starts getting enough ninja army, or works well with enough water freeze support.