new buildings and extra kings/queens and more
gem collecter lv 1 makes a gem a week lv 2 every 6 days lv3 every 5 days etc the factory should be avialble from the very start but not cost much but be extremely expensive to upgrade
secondly,
archers have a queen
barbs have a king
so why not a goblin king that can jump over wall but is slightly smaller then the other king/queens also every unit should really have a king queen
thirdly,
we have towers that need refilling with dark exlir but why not a cheaper tower from lv5 town hall that cost say half a million and needs to be loaded with ordinary exlir say a few 10k
finnaly
oh and just 1 more thing more spells for example
•lvl 6 Spell Factory(Fireball Spell):The Fireball spell is a spell that unleashes 5 Fireballs for every spell and takes an hour to make.
•lvl 7 Spell Factory(Ghost Spell):The Ghost Spell Makes all troops in range invisible to all defences but still do as much damage.Takes 1 hour to make.
•lvl 8 Spell Factory(Teleport Spell):The Teleport Spell teleports all troops that are in range to a better area and takes 75 mins to make.
thank you for reading my comments :D