Please help me on 40-44 towers

I got gold flags on all 39 towers, but I cannot beat towers 40-44. The layouts and the block gems on the grid makes it impossible to win. Never mind getting a gold flag on these towers! I keep getting killed off. Please FrogDiceDev or players out there. Please tell me tips on how to beat these levels!...Thanks

Ok got gold flags on these towers now, just have to fiqure out tower 45 now

You have to update your spells to unfreeze and remove corrupted runes. You can use your Arch Druid. Still problem with level 45 Blackguard's Keep