Our guess is right based on the pricing of Asus Zenfone 5Z, How about an ROG phone?
Wish came true recently in their announcement at Computex 2018. 90 Hz 1ms AMOLED display, 8 GB RAM, 512 GB internal storage, HDR visuals at 10000:1 contrast ratio, dual front speakers, 802.11 WiFi AD for up to 4.6 GBps,
In addition, there is an aeroactive cooler that decipitates heat plus adding another 3.5 mm audio jack and X mode which enables to free up all RAM plus they inked a partnership with known battle royale mobile game Freefire. There's also a mobile desktop dock which works great with your gaming in your ASUS ROG desktop and the ROG Phone controller with much buttons and two directional controls
No info yet said about the price and availability in the said event