If you notice I dont take too much skill at Rank 1 and 2 Paladin, Why? you want to get Smite (full level) + Conviction + Barrier (at least level 1), so leave 6 - 14 SP at rank 5, you will get those important skill as soon as you touch rank 6
Make sure you cast Divine Might + Laima before using paladin long Cooldown buff, it will help Resist element to have 99% uptime, and This is also The Main Strength of this build, because Resist element can nulify damage with 15%+4% chance