WP Cost	Space Affected	Examples
1 WP	10m²	Make a small bedroom bigger
1d4 WP	50m²	Make a small house bigger
1d8+1 WP	100m²	Make a large house bigger
1d12+3 WP	1000m²	Make a mansion bigger
2d12+6 WP	10000m²	Make a small town bigger