Sessha Naver, Assassin of Klamati.
Mithril Hawkeye Daggers (+5) Crit chance maxed.
Storm Shadow Leather (+5) Moderate lightning resist, Significant magic defense, Slightly reduced defense.
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Resistances:
F/C/W/D/L++/E
N/P
V
6 armour, 2 magic damage resistance
Can use Swords, Daggers, Throwing Weapons, Seige Weapons, and some magic wands.
Can wear Light Armour
Equipment: Skipped, as Sessha already has +5 equipment. There are options if you want to swap, though.
Alice Nepenthe, Unaligned Paladin.
Alice:
(+4) Antique Losoan Weapon Crystal. (Lance, Mace, Pike.)
(+3) Plate of the Icemark.
Ring of Elemental Armour.
Peridot Amulet of the Sea.
Masterful Mithril Seawalking Horse Barding ~(+5)
Can use Spears, Pikes, Lances, and Maces.
Can wear Heavy Armour
Resistances:
F/C+++/W+/D+/L/E+
N/P
V
8 armour, 0 magic damage resistance
Weapons:
Narrow-bladed Adamant-Alloy Spear [+5]
Archaon crystal Pike. [+5], nature attuned (33%), One additional + granted when attacking demons, corrupted creatures, or Void Beasts. Replaces the normal pike "Large Creature" bonus.
"Knocker", custom mace. [+5], small bonus earth damage.
There are no +5 lances available.
Armour:
There is a set of Giswald's Champion Armor [+6] available. If bought, it'll cost four upgrades over the plate of the Icemark. It's fairly normal, granting minor magic resistance, resistance against wind, poison, and water, and a double weakness to lightning.
Armoury Peristeel Plate, [+5]. It's plain, with normal protection and no magic resistances at all. Or weaknesses. It's also cheap. This will cost only one upgrade, not two.
Carborundum Burned Antique Armour, [+5]. +2 additional defense, moderate magic resistance. Double weakness to nature.
"Glissandro", custom armour, [+5]. -1 defense, resistance to fire, cold, lightning, earth, and nature. Moderate magic resistance.
Ask around for someone specialised in forming exotic material weapons. Don’t mention the Valterre sword just yet, ask what we can make our bane metal from the Black Blade into.
There's a fair few people like this around, but thinking about Valterre, you want one that was in operation back then, which limits you to only two choices.
Both of them say they can make a bane metal weapon from the Bane Sword, but..
.. There's not a ton of metal, so you're limited to small weapons. Spearheads, short swords, daggers, maces, throwing knives, or picks.
.. You can get them to make a bare weapon, basically a Bane Metal [+2] weapon with no enchantments, suitable for adding additional features to it. Any decent enchanter should be able to get a mana burn enchantment put onto it, but you could customize what it does. You can also get them to boost it in power somewhat.
.. They can also just reforge it into a proper Bane Metal weapon. [+3] or [+4], depending on if you want to spend one upgrade or two. It'll have the same skill on it as it does now, but the base weapon will be more powerful.
Better than that is possible, but you want to line up an enchanter first and get them in the same room together, as the materials crafter will need to do things differently for the enchanter.
You don't mention the Sword directly, but both of them have a few examples of their work around, either pictures or specific examples, such as art pieces made from exotic materials or well-crafted weapons made from cheaper ones. Nothing truly valuable, but enough to show off.
And one of them has a picture of a strange scabbard. Now you've never met Spar Hessom, or seen the Sword Valterre. But from what the fans have said, that's her scabbard on the wall. This particular guy knows something about it.