My WAR & the two aspects to make you tank effectively!

[Dhex]

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Thrill of Battle can be used one of two ways: before an attack as a 20% max HP shield, or after as a 20% max HP heal it's numerical return is predicated by the 20% of max HP and cannot be modified by Convalescence or Mantra; Thrill of Battle's effect is Max HP value dependent and that is a "hard" or unchanging value while in combat.

Second Wind is based on attack power and I have not tested to see if Convalescence modifies the HP return.

In Beta Phase 4 & release Convalescence's tool tip was exactly the same as it is now; however after testing it was shown not to effect self-healing through Bloodbath or Inner Beast as both are predicated by hard values in how their HP return is calcutated ie. DMG values - 25% of DMG for Bloodbath no more no less. Inner Beast is predicated by 300% of damage dealt this is a hard value that cannot be modified.

If you'd like to post consistent tests proving otherwise then kudos to you but as I understand it and as I have observed it they do not function as you suggest.

[Lhun]

Thrill of Battle can be used one of two ways: before an attack as a 20% max HP shield, or after as a 20% max HP heal it's numerical return is predicated by the 20% of max HP and cannot be modified by Convalescence or Mantra; Thrill of Battle's effect is Max HP value dependent and that is a "hard" or unchanging value while in combat.

You are correct about IB, Bloodbath and perhaps, thrill. However, second wind is and is absolutely buffed by heal+ stacks.