The first encounter at the gate of the Emerald Grove brilliantly establishes what's going on in act one of Baldur's Gate 3. We learn that the Druids and Tieflings are holed up in the grove, and that there's a goblin camp that's been trying to wipe them out. There's also Wyll, whose flamboyant entrance feels like it belongs in Borderlands. Overall, it's the first large-scale combat scenario of the game.
It's actually a relatively tough fight for those who are new to the game. Wyll has a high chance of getting killed, the scouts outside the gate don't do much damage, and Zevlor and the Tieflings don't do much ranged damage from the top of the gate. However, as one player found out, if you manage to get Zevlor down somehow, he's powerful enough to one-shot each of the goblins.
As discovered by axel_nobody_, if you can manage to get Zevlor down from the gate, he can wipe out the entire goblin attack party on his own. However, the trick is figuring out how to get him down. It seems they accidentally used a tip from the loading screen, which they didn't know would apply to NPCs as...
