Gloucester, unnerved by Edgar's threat, ignores Edmund's injuries and dismisses Edgar without hesitation. His hasty reaction suggests he's self-centered and lacks judgement. Gloucester appears overwhelmed and vulnerable, as seen in his speech to Regan. Like Lear, he seems vulnerable, as indicated by his speech to Regan (‘my old heart is cracked, it’s cracked’, line 89). He's isolated, with Regan and Cornwall assuming a commanding tone.