So you want to create adventures live and on the fly do you? I will show you the tools that I use.

Get Sandbox Generator https://www.drivethrurpg.com/product/430675/Sandbox-Generator

and

https://drive.google.com/file/d/0B8l15nXmXT3BOUpNYUxha1ZhbmM/view?resourcekey=0-jBMwynTYbEgP4rs2P6gFZQ

and

https://www.drivethrurpg.com/product/243593/Dungeon-Deck

and https://mythicalink.gumroad.com/l/MythicalDeckOfDungeons-Printed

and https://www.drivethrucards.com/product/203201/Dungeon-Dealer-Maze-Deck-1?src=also_purchased&filters=0_0_44587_44592

and https://dysonlogos.blog/2016/06/19/dungeon-business-cards/

You will need this https://oldschoolessentials.necroticgnome.com/srd/index.php/Designing_a_Dungeon

and this https://www.drivethrurpg.com/product/248427/Designing-Fantasy-Scenarios

along with https://www.drivethrurpg.com/product/248735/Encounters-Fantasy-Scenarios?src=also_purchased

You now have infinite resources and endless possibilities at your convince.