Author Archives: Rob Heinsoo

Book of Demons: Demonologist Path Mechanics

Sometimes a class is a bit more than a single class! The new demonologist class in Book of Demons is a bit like the druid in 13 True Ways in that it uses talent choices to define its class features and spell lists. The three demonologist paths—corruption, flame, and slaughter—have features in common, including resist […]

13th Sage: Updating Druid & Necromancer Summonings

Recently we’ve gotten some feedback from players on the summoning mechanics for champion and epic tier druids and necromancers that  coincides with how we handle summoning in new books like 13th Age Glorantha and Book of Demons. In this column, I’m going to take the opportunity to extend one of our summoning improvements to the […]

13th Sage: Swords & Serpent Demons

Part of the fun of developing adventures like Gareth Ryder-Hanrahan’s Red Crag Castle section of Book of Demons is adding monsters that complete the theme. Sometimes those missing bits turn out to be things that fill a gap in all of 13th Age, not just the one adventure. That turned out to be true for […]

13th Sage: A New Icon Relationship Variant from the 13th Arduin Campaign

By Rob Heinsoo, with Jonathan Tweet Another 13th Age campaign, another experiment with the icon relationship dice! My previous campaign was using a riff on the way that 13th Age Glorantha handles rune narrations. This time, in a campaign I’m referring to as 13th Arduin*, I’m using an idea from Jonathan that he hasn’t gotten […]

13th Sage: Borrowing from Glorantha

The soon-to-arrive 13th Age Glorantha (13G) book from Moon Design is more than 6/8ths of the way through layout. I’ll share some monster conversion notes from Glorantha to the Dragon Empire when the layout is complete and the book is available to order on BackerKit. For now, let’s look at a couple of mechanical elements […]

13th Sage: Turn Turn Turn the Undead

  In the demonologist playtest I ran a week ago, the non-demonologist character in the party cast turn undead against a mixed group of zombie mooks and ghostly mooks. We were halfway through the attack when we all realized, no, this couldn’t be right, something was wrong with our results. I must have half-remembered an […]

13th Sage: Bestiary Background – Cat, Ghoul, Hydra

Publishing Lions & Tigers & Owlbears: 13th Age Bestiary 2 feels like a celebration! As part of the fun, we’re offering sample monsters from the book to a few gaming and geek culture sites, and I’m taking a sage moment here to tease out the origin stories. Rakshasa: The rakshasa entry started with art. Lee […]

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