Beginning when your ship reaches 1st tier, it gains the following benefits:
Ability Score Improvement
At first tier, and again at 2nd, 3rd, 4th, and 5th tier, you can increase one of your ship's ability scores by 2, or you can increase two of these ability scores by 1. You can't increase your ability scores other than Constitution above 20, or your Constitution above 26, with this feature.
Additional Hull and Shield Dice
Your ship gains 2 additional Hull Dice and 2 additional Shield Dice. It gains 2 additional Hull Dice and 2 additional Shield Dice at 2nd tier (4, each), 3rd tier (6, each), 4th tier (8, each), and 5th tier (10, each).
Armor Class Improvement
Beginning at second Tier, your ship's armor class improves, giving your ship a +1 to its AC. It gains an additional +1 bonus to AC at 3rd Tier (+2 total), 4th Tier (+3 total), and 5th Tier (+4 total).
