Implemented
SE_Endurance_Absorb_Pct_Damage 521
Absorb Damage using Endurance: base1 % (base2 End per 1 HP)
Note: Both base1 and base2 need to be divided by 100 for actually value
Per dev quote, SPA 112 "Modifies casting skills of the affected
entity by BaseEffect for the purposes of determining whether or not a
fizzle occurs when casting spells."
Fixes issues caused by having a spell with this effect on caster such
as wrong target debuff durations and buff refreshes not taking hold.