I expect Bitcoin Legacy to break the $20,000 mark today and it may do so on major velocity. It is unclear how it will affect Bitcoin Cash pricing, but if it knocks the ratio pairs down on all other coins again, then the USD prices will also correct.
No reason to believe that a sudden DragonSlayer event is going to happen, but the BTFee™ difficulty adjustment that's coming today is going to have a major, major effect on the market, in my opinion.
I have a new article up for trading Bitcoin Legacy in my Yours.
For this trade, I would advise, at present time to exit long trades in profit/break even and stay flat until CME Futures opens Monday morning.
I do not recommend selling any of your core holdings.