Complex sentence: Erazor attempts to sacrifice Sonic in order to open the gateway between worlds, but in a move of altruistic suicide, Shahra interrupts the attack, saving Sonic and asking for his forgiveness before dying in his arms.
Split into simpler sentences: Erazor attempts to sacrifice Sonic to open the gateway between worlds. In a move of altruistic suicide, Shahra interrupts the attack, saving Sonic but asking for his forgiveness and dying in his arms.