Strength of Will

Uncommon, Held In Off-hand, Trinket, item level 30, item 4837

Same as Classic: the tooltip reads the same in both clients.

Strength of Will

Held In Off-hand, Trinket

Requires Level 25

Reconstructed from item data, not the beta client's own tooltip text -- foreverchanges.pro doesn't store full tooltip text for unchanged items. Armor and stat bonuses aren't available here.

Unchanged from Classic.