All version change[]
Pretty sure it is an all version change, as the only mod that match this item is Modifier:IncreasedFireDamgeIfHitRecentlyUnique~~1, which the stat id has change so that also affect legacy item. Another mod Modifier:FireDamagePercentUnique~~12 ~~ ~~, seem existed only since 3.12 and for 
Replica Blood ThornReplica Blood Thorn
Gnarled BranchStaff
Quality: +20%
Physical Damage: 10.8-22.8
Critical Strike Chance: 6.00%
Attacks per Second: (1.37-1.43)
Weapon Range: 13+18% Chance to Block Attack Damage while wielding a Staff+12% Chance to Block Attack Damage while wielding a Staff
100% increased Fire Damage
(5-10)% increased Attack Speed
Curse Enemies with Flammability on Block, with 20% increased Effect
Reflects (22-44) Fire Damage to Attackers on Block
Level Requirement reduced by 100 (Hidden)"Physical forces and flames seem to share some innate bond.
What logic lies beneath the veil of reality?"
. Neokowloon (talk) 18:16, 10 January 2021 (UTC)