Saw this and thought about space battles. Allowing purchase of personal war ships that can enhance the below skills with MP only receiving a certain set amount of total enhancements. (Similar to how Potential grants +5 each level up to 10.)


Stats Basic War Ship

Attack: +5
Defense: 15
Hit Points: 50
Damage Reduction: 2
Weapons: Ranged Energy - 1d6 dmg.

SHIP ENHANCEMENT

Each level gives +5 to single skill of choice.

Lv.1 costs 1 MP
Lv.2 costs 2 MP
Lv.3 costs 3 MP
Lv.4 costs 4 MP
Lv.5 costs 5 MP
Lv.6 costs 6 MP
Lv.7 costs 7 MP
Lv.8 costs 8 MP
lv.9 costs 9 MP
Lv.10 costs 10 MP

Total cost is 55 MP for all levels.