[PoE2] 0.5 Update to my Permafrost/Fragmentation Witchhunter (.build files finally in desc)

Character Level 98 Witchhunter
Pools 2,840 Life 736 Energy Shield 649 Mana 148 Spirit
Defences 4,047 Armour 4,969 Evasion 28,712 effective HP
Resistances 75% Fire 75% Cold 75% Lightning 68% Chaos
Weapon 1 High Phys Crossbow Desolate Crossbow
Helmet Constricting Command Viper Cap
Body Armour Hyrri's Ire (nerfed) Armoured Vest
Gloves Sine Aequo (Nerfed) Grand Manchettes
Boots Basic Res+Speed Boots Blacksteel Sabatons
Amulet Giga Amulet (not actually that hard to craft) Bloodstone Amulet
Ring 1 Breach Ring
Ring 2 Breach Ring
Belt Res Belt Fine Belt
Flask 1 Substantial Transcendent Life Flask of the Surgeon
Flask 2 Bubbling Ultimate Mana Flask of the Bottomless
Charm 1 Forsaken Bangle Amethyst Charm
Charm 2 Sanguis Heroum Staunching Charm
Charm 3 Examiner's Stone Charm of the Brewer
Sorcery Ward 20 Fire Mastery
Permafrost Bolts 21/20 Ice Bite II Elemental Armament II Projectile Acceleration III Cold Attunement Freeze
Fragmentation Rounds 21/20 Close Combat II Elemental Armament II Concentrated Area Exploit Weakness Rigwald's Ferocity
Emergency Reload 19/20 Prolonged Duration II Cooldown Recovery II Efficiency II
Wind Dancer 16/20 Cooldown Recovery II Blind II Punch Through Maim
Freezing Mark 18 Prolonged Duration II Charged Mark Mark of Siphoning II Eternal Mark
Shard Scavenger 19/20 Precision I Vitality II Clarity I Prolonged Duration II
Gas Grenade 20/20 Corrosion Uruk's Smelting Prolonged Duration II
Mortar Cannon 19 Oil Grenade 19 Prolonged Duration II Potent Exposure Persistent Ground III
Herald of Ice 19/20 Magnified Area II Longshot II Elemental Armament II Elemental Focus Cold Mastery
Passive Tree Sorcery Ward 1