WoWDB

Rank 1: Release all healing stored in The Well of Existence into an ally. This healing is amplified by 20%.

Rank 2: The released healing is amplified by 50%.

Rank 3: The Well will not release more healing than needed to fully heal the target.

Rank 4: The Well of Existence gains an enhanced appearance.

Rank 1: 15% of your overhealing is stored in The Well of Existence. When you heal a target under 40% health, the Well releases up to 0 of its stored healing into them.

Rank 2: Now releases stored healing whenever you heal a target under 50% health.

Rank 3: When the Well contains less than 0 healing, it absorbs healing twice as quickly.