Is it OK to add runeslots to Aerondight?

Three sockets can be added, although doing so is not cheap. For a fee, the runewright can add up to 3 slots to an item. The easiest way to show that you're generous is by tipping the boy who gives you a letter from Triss or Yennefer. The powerful Aerondight sword appeared in Witcher 1 and Witcher 2, ... although Witcher 3 requires slightly more from Geralt. In any case, below you will find the most universally acknowledged runestones in Witcher 3.

A runeword will only be active if that particular sword is drawn in combat, so if you wish to have it available on both swords, you'll need to get it activated on both. For The Witcher 3: Wild Hunt on the PlayStation 4, a GameFAQs message board topic titled "Need Advice on which Runes for Aerondight".

Tier 1: Chernobog Runestone.

Similar to glyphs, runes give upgrades to stats and apply buffs to weapons. The Witcher 3: Wild Hunt. Runewords and glyphwords can only be added to an item with at least 3 slots. He'll… Aerondight can have sockets added to it by the runewright in HoS.

Runestones can be applied to empty upgrade slots on armor and weapons.

... 0 Rune Slots; Special: +10% damage per …

This runestone is practically universal, as it buffs the attack power of your swords.

Was surprised it didn't have any by default, so as soon as I equipped it, my first thought was to head to the Windmill and get some runeslots added. Runes are acquired from monster nests, weapon smiths, armor smiths and crafting. Runes …

For The Witcher 3: Wild Hunt on the PlayStation 4, a GameFAQs message board topic titled "so just added max slots to my newly acquired Aerondight..".

Any type of sword would want at least one slot dedicated to Chernobog, as some enemies may be immune to poison, freeze, and even stun effects. I've done this myself, in a completely unmodded game.