The tree protected the Valley's water supply for 500 years [1] but was infected by breadfungus and was destroyed to prevent the miasma from spreading when the fungus took over the tree [2].
The day after destroying the tree, the Kingdom of Torumekia declared war on the Dorok Principalities [3].
References[]
a See Page Conversions Between Editions to convert Deluxe Edition volume 1 (DE1) to other editions