{i_heal;576}
From Freya scripts:
[spoiler]
skill_begin skill_name = [s_elemental_heal212] /* [엘레멘탈 힐] */ skill_id = 58 level = 55 operate_type = A1 magic_level = 74 self_effect = {} effect = {{i_heal;546}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_1] /* [엘레멘탈 힐] */ skill_id = 58 level = 101 operate_type = A1 magic_level = 76 self_effect = {} effect = {{i_heal;583}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_2] /* [엘레멘탈 힐] */ skill_id = 58 level = 102 operate_type = A1 magic_level = 76 self_effect = {} effect = {{i_heal;619}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_3] /* [엘레멘탈 힐] */ skill_id = 58 level = 103 operate_type = A1 magic_level = 76 self_effect = {} effect = {{i_heal;656}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_4] /* [엘레멘탈 힐] */ skill_id = 58 level = 104 operate_type = A1 magic_level = 77 self_effect = {} effect = {{i_heal;692}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_5] /* [엘레멘탈 힐] */ skill_id = 58 level = 105 operate_type = A1 magic_level = 77 self_effect = {} effect = {{i_heal;729}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_6] /* [엘레멘탈 힐] */ skill_id = 58 level = 106 operate_type = A1 magic_level = 77 self_effect = {} effect = {{i_heal;765}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_7] /* [엘레멘탈 힐] */ skill_id = 58 level = 107 operate_type = A1 magic_level = 78 self_effect = {} effect = {{i_heal;802}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_8] /* [엘레멘탈 힐] */ skill_id = 58 level = 108 operate_type = A1 magic_level = 78 self_effect = {} effect = {{i_heal;838}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end
skill_begin skill_name = [s_elemental_heal_power_9] /* [엘레멘탈 힐] */ skill_id = 58 level = 109 operate_type = A1 magic_level = 78 self_effect = {} effect = {{i_heal;875}} is_magic = 1 mp_consume1 = 48 mp_consume2 = 191 cast_range = -1 effective_range = -1 skill_hit_time = 5 skill_cool_time = 0 skill_hit_cancel_time = 0.5 reuse_delay = 3 attribute = {attr_none;0} trait = {trait_none} effect_point = 780 target_type = self affect_scope = single affect_limit = {0;0} next_action = none ride_state = {@ride_none;@ride_strider;@ride_wyvern;@ride_wolf} multi_class = 0 olympiad_use = 1 skill_end[/spoiler]
From GF skill data decode with l2encdec:

From that web i wrote before:
[spoiler]
Elemental Heal +1 Power
Restores one's own HP with 583 Power. Enchant Power: Increases Power. 583 76
Elemental Heal +2 Power
Restores one's own HP with 619 Power. Enchant Power: Increases Power. 619 76
Elemental Heal +3 Power
Restores one's own HP with 656 Power. Enchant Power: Increases Power. 656 76
Elemental Heal +4 Power
Restores one's own HP with 692 Power. Enchant Power: Increases Power. 692 77
Elemental Heal +5 Power
Restores one's own HP with 729 Power. Enchant Power: Increases Power. 729 77
Elemental Heal +6 Power
Restores one's own HP with 765 Power. Enchant Power: Increases Power. 765 77
Elemental Heal +7 Power
Restores one's own HP with 802 Power. Enchant Power: Increases Power. 802 78
Elemental Heal +8 Power
Restores one's own HP with 838 Power. Enchant Power: Increases Power. 838 78
Elemental Heal +9 Power
Restores one's own HP with 875 Power. Enchant Power: Increases Power. 875 78
[/spoiler]
And now Michael test without any equip and buff. Without equip on swm heals more because matk difference is only 2. But you can see how it is still healing low (599) instead of 865 like you checked. And as i wrote, elemental heal haven't any change from GF to H5. I can upload for you those files if you want, or if you don't trust me you can download l2utils and inside the package is the l2encdec with instructions for decode files.
SWM:

WR:
