In the spelljammer settings ceatures and ships can reach sizes that dwarf even dragons! I present one conjectured chart of what creatures dimensions, face, and reach would be at awesome and even 'stretch' version of colossal (something that would work well with lots of ship).
| |
AC/Attack |
|
|
Example |
Natural |
|
| Size |
Modifier |
Dimension* |
Weight** |
Creature/Ship |
Reach |
Face |
| Colossal |
–8 |
64 ft – 128 ft. |
125 tons — |
Colossus (tall) |
25 ft. |
40 ft by 40 ft. |
| |
|
|
1,000 tons |
Great radiant wyrm (long) |
15 ft. |
40 ft by 80 ft |
| |
|
|
|
Elven warbird (squat) |
20 ft. |
60 ft. by 60 ft. |
| |
|
|
|
Damselfly (stretch) |
10 ft. |
20 ft. by 160 ft. |
| Awesome |
–16 |
128 ft or more |
1,000 tons — |
A (tall) |
50 ft. |
80 ft. by 80 ft. |
| |
|
|
8,000 tons |
Great Dreamer (long) |
30 ft. |
80 ft. by 160 ft. |
| |
|
|
|
Gammaroid (squat) |
40 ft. |
120 ft. by 120 ft. |
| |
|
|
|
Whale ship (stretch) |
20 ft. |
40 ft. by 320 ft. |
* Biped's height, quadruped's body length (nose to base of tail)
** Assumes that the creature is roughly as dense as a regular animal. A creature made of stone weights considerably more. A gaseous creature weighs much less.
† With its bite attack