No one can say how long ETH will return on impressive price increase. If the bitcoin continue in price dump like this I think this is the time to forget cryptocurrency. Because all crypto world had a very bad year this 2018.
all depends on the price of bitcoin when bitcoin up, ETH prices also went up, but I disagree with you saying that crypto will die , crypto will continue to run because I see the volume in the market is pretty good, there is an increase from before
Am really hoping for the day where Cryptocurrencies prices are not affected by BTC atleast not all of them Is actually ridiculous how BTC falls and the whole market follow suit but when another altcoin goes down almost nothing happens except maybe for ETH and some tokens I think this pairing System on exchange need more expansions to make market sublime