Vhagar's Size Compared to Drogon, Smaug, and Ancalagon

[@Drogonfan]

Drogon is said to be balerion come again but yet he is still a child only 7 yrs old and not even close to full grown so he will probably be huge by the time he gets to adulthood

[@RvW1985]

Fire so hot he could Fuse glass into sand? ….. sand into glass sounds better ……