Using the literary meaning of the word salvation,
a. Preservation or deliverance from destruction, difficulty, or evil.b. A source, means, or cause of such preservation or deliverance.
(he) had altogether vanished, and been succeeded by a eager, searching, almost fierce, yet carefully guarded look.
mask this expression with a smile, but the latter played him false, and flickered over his visage so derisively that the spectator could see his blackness all the better for it.
So Pearl--the elf-child,--the demon offspring, as some people, up to that epoch, persisted in considering her--became the richest heiress of her day, in the New World.
This completes the circle: Pearl's new status allows her to take care of Hester who, in turn, can also benefit from her daughter's social respectability. In all, Roger Chillingworth's leaving his fortune to Pearl is a way of paying back for all the pain and suffering that he may have caused Hester. Giving support for Pearl may have been his way of blessing and forgiving the adultery between Hester and Dimmesdale. However, there is always room to wonder whether Chillingworth's own guilt and fear of going to Hades on his death bed are behind his motivations to be kind.