Four-layered Icing is a blocker in Candy Crush Saga that is first seen in level 171. This blocker requires four hits to destroy, making it a difficult and annoying blocker in some levels.
Four-layer icings are stationary blockers that take up a tile, and needs four hits. These can be destroyed by making four adjacent matches, special candy effects, or cake bombs. These blockers have three degrades before entirely disappearing. These blockers can hide jelly underneath them.
This is the chronologically the last type of icing that will appear in licorice locks or sugar chests. It's the only type of icing that has not yet appeared in chests.
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