In several places there are limitations in the quantity/size of things within TaleSpire, here is a list of a few noteworthy ones:
100 campaigns per user
450 boards per campaign
600 normal minis per board
100 unique minis per campaign
1 000 000 assets per board
2000 × 2000 × 1000 grid units board size
13000 meshes per 16×16×16 zone
30720 (30kB) bytes per slab string
