Open the RpgSkills_DivinePowers.xrg file in your Starbreeze StudiosKnights Of The TempleSbz1RegistryRpg folder with the note pad or other editor and modify the:
-SKILL_DIVINEPOWER_HEALING
-SKILL_DIVINEPOWER_AURA
-SKILL_DIVINEPOWER_SHOCKWAVE

set the "Mana" lower and increase Range, Damage and Force, in example:

*Mana 1
*Range 700
*Damage 700
*Force 700

Then save the changes.

Increase Damage of Your Weapons
Open the RpgSkills_Attacks.xrg file in the same directory, and increase the Damage entry in:

-*ATTACK_MEDIUM
-*ATTACK_Heavy

i.e:

*ATTACK_MEDIUM
{
*damage 9.0
*init 0.0

Special Attack
You must also modify the stamina, something like this:

*SKILL_SPECIALATTACK1
{
*Level 1
{
*damage 10.0
*stamina 5
}
}

Do this in the following entries:

-*SKILL_SPECIALATTACK1
-*SKILL_SPECIALATTACK2
-*SKILL_SPECIALATTACK3
-*SKILL_SPECIALATTACK4

Then save the changes.