Guaranteed +1 Ballista Siege Crossbow

Base: Magic Siege Crossbow with a high increased physical damage roll (a few exalts on trade)

Buy a magic Siege Crossbow with high increased physical damage

Filter trade for magic, increased physical damage 100 or more - strength, dexterity or gem level rolls are a bonus

Slam a Greater Essence of Abrasion

1× Greater Essence of Abrasion—

Upgrades to rare and guarantees flat physical damage - the two damage mods scale each other

Desecrate with both omens active

1× Omen of Sinistral Necromancy—

1× Omen of the Sovereign—

1× Preserved Jawbone—

Sinistral Necromancy forces the desecrated mod onto a prefix; the Sovereign omen guarantees the reveal is a sovereign mod - the extra ballista totem

Fill the remaining mods

3× Exalted Orb—

Pure bonus territory - gem levels or attributes here are a lucky extra

Reveal at the Well of Souls

With the Sovereign omen the plus one ballista totem is guaranteed - no reroll needed

Quality and runes

20× Blacksmith's Whetstone—

1× Artificer's Orb—

2× Iron Rune—

✓ endgame-ready crossbow, guaranteed extra totem

Materials