Crying Ghasts Mod adds to Minecraft a new kind of farm tears of ghast in hell. Now, when this mob will fly from it, tears will constantly drop that you can pick up and use for crafting.
Crying Ghasts Mod for Minecraft 1.15.2/1.14.4
In general, it is extremely logical it is not clear why the developers of the game themselves did not think of such a thing.
1.15.2 – Crying-Ghasts-Mod-1.15.2
1.14.4 – Crying-Ghasts-Mod-1.14.4