The best way to ninja solo Nash safely is with more life steal than you loose
It do it frequently with :
- Fiddlestick (14)(Blue + 400 AP)
- Tryndamere (Good critical + Bloodthister)
- Olaf (Wiggle)
- Jax(gunblade + Wriggle)
- nocturne (Wriggle)(nahs gives free AS doing spells on the shield ;-) )
- Sion (AD + ult)
- Xin Xiao(Wriggle)
EDIT :
- Nunu jungle with Spirit of the Spectral Wraith and Glacial Shroud + Blue Solo Nashor at 15-20 mn maxing Q you just need someone to take some hits for you
Think a Nunu + Vayne//Kog can do it pretty fast too ;-)
Good luck trying that :-p Be carefull. Be careful to not be warded and that the other jungler is always visible Cause giving. Giving a free nash on a ninja nash is pretty ugly :-p.