Strength of One increases the strength of all allies in the area of effect.
In-game description Edit
|“|| Strength of One|
When this spell is cast, party members within the area of effect are given a Strength score of 18/75. If a party member has a Strength score higher than this (either naturally, or through a magical item), then their Strength is lowered to 18/75. The spell lasts for 1 turn, whereupon everyone's Strength returns to normal.