Shaman · spell

Chain Heal

516per cast

Rank 3 · level 60 · before talents

Chain Heal

405 Mana40 yd range

2.5 sec cast

Heals the friendly target for 474 to 539, then jumps to heal additional nearby targets. If cast on a party member, the heal will only jump to other party members. Each jump is 50% as effective as the previous target. Heals 3 total targets.

Talents that change it, each at full ranks:

Riptide · on your Riptide target +129 Purification +51.6 Mental Quickness +19.6 Thundering Strikes +12.7 Tidal Mastery +12.7 Ancestral Knowledge +0.4 Nature's Swiftness · with Nature's Swiftness active per second +138

Averages, counting crits and misses, with a typical weapon and no other gear or buffs, against a target your level. Talents at level 60. Worked out from the game's own data, the same way as the Foresight addon.