From what i just tested, it would indicate that restoration’s hp recovery amount does not affect the heal tile bonus. At least not for my cleric.
Got a example here of no resto vs lvl 5 resto here: https://youtu.be/mQU2F0h-U5g
And the notes i used here:
Tos restoration x heal combo test:
8411 max health, lvl 122 paladin, 181 int, heal lvl 10, heal tooltip 557 - 659.
No resto:
1231, 1193, 1216, 1113, 1219, 1173, 1123, 1128, 1170, 1229, 1184, 1163, 1229, 1159, 1110.
Restoration lvl 1:
1859, 1682, 1731, 1708, 1855, 1722, 1686, 1920, 1902, 1750, 1933, 1700, 1806, 1948, 1883, 1776, 1655
resto 5:
1746, 1728, 1951, 1722, 1939, 1651, 1730, 1900, 1745, 1884, 1711, 1775, 1705, 1839, 1927, 1871, 1782, 1649, 1692. 1930, 1948, 1952
So i’m not sure how it is calculated, but i do have a substantially larger bonus to heal then kriis.
And not sure how asphidel gets that much of a bonus either.
Like i said before, the extra added worth does somewhat resemble my additional heal range though. And it has been doing that for a while.
Perhaps it’s either-or scenario, where it scales either with int or a different stat entirely but never with both.
Got no priest atm, so i didn’'t test mass heal myself yet.