BattleCast encounter test
A goblin ambush is one of the classic first-session encounters because it looks simple while testing almost everything that makes level 1 dangerous: low hit points, poor initiative luck, early ranged pressure, and the party learning that positioning matters.
Use this as a pressure test, not a filler fight. The party often wins, but the fight can still leave multiple heroes downed or badly hurt. Six goblins can feel fair and still leave the party battered.
Across 1,000 simulated battles from this starting layout, Level 1 party had the higher win rate. Goblin ambush won 16.8%, Level 1 party won 83.2%, draws were 0.0%, and the average fight lasted 5.4 rounds.
This setup asks whether the party can survive the first two rounds without losing its action economy. Level 1 heroes often have enough damage to kill goblins quickly, but they do not have enough hit points to ignore a bad opening.
The interesting part is not the average result. It is the swing. A few missed hero attacks make the goblin side look much more dangerous, especially when the party spreads out and cannot focus one target at a time.
Watch whether the Fighter anchors attention or whether the goblins find a softer target. If the Rogue and Wizard are forced to spend turns repositioning instead of attacking, the fight becomes much more expensive.
Also watch death timing. A level 1 encounter can technically be a win while still being too costly for an adventuring day if one or two heroes spend most of the battle on the floor.
Small adjustments matter more at level 1 than they do later. Change one lever at a time.