Start this event later on or as your wish
(The time and dimension dragon has gone to the future and seen that some evil dragon forces from other dimension took over the dragon city and turn them into ashes. The dragons that can stop them are the
TIME dragon ,DIMENSION dragon and YGGDRASIL by going to the future and defeat the evil forces and turn dragon city a happy place.
YGGDRASIL: heroic event
TIME dragon : in the time castle where it lives find about 10 pieces of time dragon. time period of 6 days.
DIMENSION dragon : in the dimension tower which will stop in the dimension of dragon city for about 6 days and find about 8 pieces .
for the evil dragons somebody think of it )
You can make it about 2 to 3 parts or if you don't want this event just ignore it.

Sorry Deepak bro but could you please post it all at once? It's called spamming

Oh and if u missed something u can always edit and add it

@S-Gogeta sorry Bro I forgot about all the other things when I post the first one