Champs that can 100-0 without an ult?
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Anyone at lvl 18 vs a lvl 1 Sona.
Let's be real, his W should be his ult.
Most impossible Ult to use. It's easier to not use it.
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The shark is worthless when he's fed. It's all W/Q damage.
These two, I think, would require some excellent tactics to accomplish, but both of their ults aren't really necessary for them to succeed.
if fed Xerath can 100-0 squishy people with EWQ.
Really depends on how fast we're talking about here. If not specific, literally any champion could do it.
can almost always get level 3 first blood.
LeBroke and Veigar
Assuming they are fed.
There are many others, but these champions come to mind for killing an enemy champion in less than a second if they are ahead and built correctly, while excluding their ults, of course.
Well, there's
and
and
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And let's not forget
.