Some time ago, smoeone was kind enough to test it.
He was Enh shammy with around ~600 spell damage, and HoT from highest rank availble healed heam for ~1.5k. So it was around 2 healing for 1 spell dmg.
BUT, he did two tries, one with 500 and another with 600 spell dmg. One with 500 spell dmg head 2.2 healing for 1 spell damage, which means either it was some random numbers (which shouldnt happen as Earthliving Weapon has fixed amount on HoT) or that the more spellpower you have the lower the transition is :P
Still if it will keep up, it should heal for around 3k on resto shammy, or more with talents like purification.
I'm also curious if Earthliving weapon procs only on the initial Chain Heal or on the additional bounces as well. I can see an internal cooldown being put on Earthliving, I just don't know if there is documentation of it.
Originally Posted by Surreal
grim toll is the worst trinket you could get for survival. Hands down Meteorite wheat stone is better than it.