This flask filled with corrosive acid deals 1 acid damage, the listed persistent acid damage, and the listed acid splash damage. Many types grant an item bonus to attack rolls.
Type Lesser;
Level 1;
Price 3 GP;
It deals 1d6 persistent acid damage and 1 acid splash damage.
Type Moderate;
Level 3;
Price 10 GP;
You gain a +1 item bonus to attack rolls. The bomb deals 2d6 persistent acid damage and 2 acid splash damage.
Type Greater;
Level 11;
Price 250 GP;
You gain a +2 item bonus to attack rolls. The bomb deals 3d6 persistent acid damage and 3 acid splash damage.
Type Major;
Level 17;
Price 2500 GP;
You gain a +3 item bonus to attack rolls. The bomb deals 4d6 persistent acid damage and 4 acid splash damage.