Making Extended super antifire(4) (Super antifire potion(4), Lava scale shard)

Making Extended super antifire(4) (Super antifire potion(4), Lava scale shard) in OSRS: 1 × Super antifire potion(4), 4 × Lava scale shard → 1 × Extended super antifire(4). Profit right now: +923 gp after GE tax (input cost 17,742 gp).