How Old Is Rimuru Tempest in Sword Art Online

The name Rimuru Tempest sparks immediate recognition among anime fans, but when paired with "Sword Art Online," it often raises eyebrows and a flurry of questions. Is the beloved slime protagonist from That Time I Got Reincarnated as a Slime truly part of the Aincrad universe? And if so, how old is he? The answer is more complex and fascinating than you might expect, bridging canonical lore with intriguing crossover narratives....