Syntax

(expand|grow) [[the] (diameter|radius) of] %worldborders% (by|to) %number% [over [a period of] %-timespan%]

Description

Expand or shrink the size of a world border. Using `by` adds/subtracts from the current size of the world border. Using `to` sets to the specified size.

Examples

expand world border of player by 100 over 5 seconds
shrink world border of world "world" to 100 over 10 seconds